Epogen / Procrit (epoetin alfa) — HCPCS J0885

Amgen Inc. (Epogen) · Janssen Biotech (Procrit) · 2,000–40,000 IU single-dose vials · SC or IV · Original short-acting ESA (1989)

Epogen and Procrit are the same molecule (epoetin alfa) marketed by two manufacturers under co-licensing agreements that date to the late 1980s. Both bill under HCPCS J0885 for non-ESRD use, with an unusual unit basis: 1 billing unit = 1,000 IU. A 10,000 IU dose is billed as 10 units — not 10,000. ESRD-on-dialysis use is bundled under Q4081 (ESRD PPS, not separately payable). Q2 2026 Medicare reimbursement: $7.305 per 1,000 IU unit ($73.05 per 10,000 IU dose, ASP + 6%). Boxed Warning for mortality, thrombosis, and tumor progression. ESA APPRISE Oncology REMS required for cancer use.

ASP data:Q2 2026 (live)
Payer policies:verified May 2026
REMS program:ESA APPRISE Oncology
FDA label:most recent rev incl. 2007 BW
Page reviewed:

Instant Answer — the 5 things you need to bill J0885

HCPCS
J0885
1 unit = 1,000 IU
10,000 IU dose
10 units
NOT 10,000 — biller error trap
Modifier
JZ
SDV; JW for waste
Admin CPT
96372
SC injection (non-chemo)
Medicare ASP+6%
$7.305
per 1,000 IU, Q2 2026 · $73.05/10,000 IU
⚠ UNIT BASIS: 1 J0885 unit = 1,000 IU This is the most common biller error on J0885. A 10,000 IU dose is 10 units, not 10,000. A 40,000 IU weekly chemo-induced anemia dose is 40 units. Convert IU to billing units by dividing by 1,000. Q4081 (ESRD) uses a different unit basis: 100 IU per unit — a 10,000 IU dialysis dose is 100 units of Q4081. Verify which code applies before keying.
HCPCS descriptor
J0885 — "Injection, epoetin alfa, (for non-ESRD use), 1,000 units" Permanent
ESRD code
Q4081 — "Injection, epoetin alfa, 100 units (for ESRD on dialysis)" — bundled into ESRD PPS, not separately payable
CKD non-dialysis dose
Initial 50–100 IU/kg 3×/wk SC; titrate to maintain Hgb 10–11 g/dL
Chemo-induced anemia
150 IU/kg SC 3×/wk OR 40,000 IU SC weekly; discontinue if no response after 8 weeks
Surgery (perioperative)
600 IU/kg SC weekly × 3 doses pre-op + 1 dose day-of-surgery (autologous transfusion reduction)
Vials
2,000 / 3,000 / 4,000 / 10,000 / 20,000 / 40,000 IU single-dose vials (multi-dose vials with benzyl alcohol also marketed)
Route
SC (preferred for non-dialysis CKD, chemo-induced anemia, perioperative); IV during hemodialysis
Premedication
Not required. Iron repletion before/during ESA therapy is required (TSAT ≥20%, ferritin ≥100 ng/mL)
Boxed warning
YES — mortality, thromboembolism, stroke, tumor progression. Added 2007. ESA APPRISE REMS required for cancer indication.
FDA approval
June 1989 (Epogen, BLA 103234); December 1990 (Procrit, co-licensed). Originator of the ESA class.
⚠️
BOXED WARNING. ESAs (including epoetin alfa) increase the risk of death, serious cardiovascular events, thromboembolism, stroke, and (in cancer patients) tumor progression and shortened overall survival. Use the lowest dose to avoid red blood cell transfusion. Target Hgb 10–11 g/dL. ESA APPRISE Oncology REMS is required for chemotherapy-induced anemia (cancer) use — prescriber + patient enrollment + Anemia Patient and Provider Acknowledgment Form before each course.
ℹ️
ESA class context. Epogen / Procrit (J0885 epoetin alfa, short-acting, q1–3w) is the original ESA. Long-acting alternatives include Aranesp (J0881/J0882, darbepoetin alfa), the every-other-week Mircera (J0888, methoxy polyethylene glycol-epoetin beta), and the biosimilar Retacrit (Q5105/Q5106, epoetin alfa-epbx) — an FDA-approved biosimilar of Procrit/Epogen that is gaining significant market share for cost reasons. For chemo-induced anemia not responsive to ESAs, see Reblozyl (J0896, luspatercept).
Phase 1 Identify what you're billing Same molecule, two brands, two billing codes (J0885 vs Q4081) depending on dialysis status.

Dual-brand: Epogen + Procrit = same molecule FDA verified May 2026

Two brand names, one HCPCS code. Co-licensed since the late 1980s.

Epogen (Amgen) and Procrit (Janssen Biotech) are the same biologic — recombinant human erythropoietin (epoetin alfa, BLA 103234). Amgen developed and licensed the molecule, retained the Epogen trade name (historically marketed for dialysis CKD anemia), and granted Janssen rights to market the same product as Procrit (historically for non-ESRD indications). Both are commercially available under both names today, sourced from the same Amgen manufacturing process.

Side-by-side comparison of Epogen (Amgen) and Procrit (Janssen Biotech).
EpogenProcrit
Genericepoetin alfaepoetin alfa
Manufacturer of recordAmgen Inc.Janssen Biotech, Inc.
HCPCS (non-ESRD)J0885J0885
HCPCS (ESRD on dialysis)Q4081Q4081
Sample NDCAmgen NDC 55513-xxx-xx series (e.g., 55513-0144-10 for 10,000 IU SDV)Janssen NDC 59676-xxx-xx series (e.g., 59676-0310-01 for 10,000 IU SDV)
Historical positioningESRD/dialysisNon-ESRD (CKD, oncology, surgery)
Patient assistanceAmgen Assist 360 (1-888-427-7478)Janssen CarePath (1-877-227-3728)
FDA original approvalJune 1989 (BLA 103234)December 1990 (co-licensed)
Bill the brand actually dispensed. Use the NDC of the vial physically administered (Amgen 55513- or Janssen 59676-prefix) on the claim, not the brand named on the order. Pharmacies/practices may switch between Epogen and Procrit based on supply or contract pricing — the NDC must match the product administered.

J0885 (non-ESRD) vs Q4081 (ESRD on dialysis) CMS verified May 2026

Same drug, two HCPCS codes — the trigger is whether the patient is on chronic dialysis for ESRD.

J0885Q4081
Descriptor"Inj, epoetin alfa, (for non-ESRD use), 1,000 units""Inj, epoetin alfa, 100 units (for ESRD on dialysis)"
Unit basis1 unit = 1,000 IU1 unit = 100 IU
Used forCKD non-dialysis (CKD stages 3–5 not on RRT), chemo-induced anemia, perioperative anemia, HIV/zidovudine anemiaESRD patients on chronic dialysis (HD or PD)
PaymentSeparately payable Part B drug; ASP+6%Bundled into ESRD PPS per-treatment payment (not separately payable)
10,000 IU dose10 units100 units
40,000 IU weekly40 units(typically not used at this dose for HD)
Z99.2 (dialysis-dep) on claim?NoYes — supports ESRD bundling
ESA-APPRISE classificationTracks oncology use (REMS)Tracks dialysis utilization (PPS audit)
The most common cross-code error: billing J0885 for a dialysis patient (claim will be rejected because the drug is bundled into the ESRD PPS), or billing Q4081 for a CKD non-dialysis patient (wrong code, wrong unit basis — will deny). Verify dialysis status (Z99.2) before keying the HCPCS.

Dosing & unit math FDA label verified May 2026

From FDA prescribing information, BLA 103234.

CKD anemia (non-dialysis adults)

  • Initiate: 50–100 IU/kg SC 3× weekly
  • Target: Hgb 10–11 g/dL (do not exceed 11 g/dL per CMS NCD 110.21 / payer policy)
  • Iron status required: TSAT ≥20%, ferritin ≥100 ng/mL before initiation
  • Dose adjustment: hold/reduce by 25% if Hgb rises >1 g/dL in 2 weeks; increase by 25% if Hgb has not risen by >1 g/dL after 4 weeks (but only if Hgb <10)

CKD anemia (hemodialysis adults — bills under Q4081)

  • Initial 50 IU/kg IV 3× weekly during dialysis
  • Target Hgb 10–11 g/dL; bundled into ESRD PPS

Chemotherapy-induced anemia (CIA, non-myeloid malignancies)

  • Standard: 150 IU/kg SC 3× weekly OR 40,000 IU SC weekly
  • If no Hgb response after 4 weeks at 40,000 IU: titrate to 60,000 IU SC weekly
  • Discontinue if no response (Hgb increase <1 g/dL from baseline) after 8 weeks total
  • Discontinue when chemotherapy course completes (do not continue post-chemo)
  • ESA APPRISE Oncology REMS REQUIRED — see REMS section

Perioperative anemia (autologous transfusion reduction)

  • 600 IU/kg SC weekly × 3 doses pre-op (21, 14, and 7 days before surgery) + 1 dose day-of-surgery
  • Limited to elective, non-cardiac, non-vascular surgery
  • DVT prophylaxis recommended (Boxed Warning, thrombosis risk)

HIV / zidovudine-induced anemia

  • 100 IU/kg SC or IV 3× weekly × 8 weeks; titrate based on response
  • Maintenance dosing variable; target Hgb ≤12 g/dL (older label, predates 2011 target revision)

Worked example — 70 kg patient on chemo (40,000 IU SC weekly)

# Per-dose billing
Dose: 40,000 IU SC weekly
Billing units: 40,000 / 1,000 = 40 units J0885
Modifier: JZ (single-dose vial, no waste using 40,000 IU SDV)
Admin: 96372 (therapeutic SC injection)
ICD-10: D64.81 + cancer code + Z51.11
REMS: ESA APPRISE acknowledgment form on file

# Year-1 totals (assume 24 weekly doses during chemo course)
Total doses: 24
Total drug units billed: 960 (24 × 40)
Total drug cost (Q2 2026 ASP+6%): ~$7,012.80 before sequestration

No premedication routinely required, but iron is

ESAs do not require pre-medication. They DO require iron repletion: most payers require documented TSAT ≥20% and ferritin ≥100 ng/mL before ESA initiation, and ongoing iron supplementation (oral or IV iron such as Venofer J1756, Injectafer J1439, or Monoferric J1437) during therapy. ESA without iron is a common denial.

ESA class comparison — J0885 vs alternatives CMS HCPCS verified May 2026

Four ESA products in the U.S. market. Same therapeutic class, different molecules, different dosing intervals, different costs.

DrugHCPCSGenericManufacturerDosingNotes
Epogen / Procrit J0885 (non-ESRD) / Q4081 (ESRD) epoetin alfa Amgen / Janssen Biotech Short-acting; q1–3w SC or IV (3× weekly during HD) Originator (1989). Dual-brand. Reference product for biosimilar Retacrit.
Retacrit Q5105 (ESRD) / Q5106 (non-ESRD) epoetin alfa-epbx Pfizer (Hospira/Vifor) Same as Epogen / Procrit (matched per biosimilar designation) Biosimilar of Epogen/Procrit. FDA approved May 2018. Gaining significant market share for cost reasons.
Aranesp J0881 (non-ESRD) / J0882 (ESRD) darbepoetin alfa Amgen Long-acting; q1–4w SC or IV Modified glycosylation extends half-life ~3×. 1 mcg darbepoetin ≈ 200–260 IU epoetin alfa equivalence (not exact).
Mircera J0888 (non-ESRD) / Q5125 (ESRD biosimilar pegEPO) methoxy polyethylene glycol-epoetin beta Vifor (CSL Vifor) Long-acting; every-other-week or monthly PEGylated. Common in dialysis settings for reduced administration frequency.
Biosimilar Retacrit drives cost competition. Retacrit (Q5106 for non-ESRD) is FDA-approved as biosimilar to Procrit/Epogen and typically prices 20–40% below the originator. Many large oncology and dialysis purchasing organizations have moved to Retacrit as preferred. Verify your formulary before billing the originator at higher ASP.
Aranesp dosing is NOT a 1:1 swap with Epogen / Procrit. The conversion is approximate (1 mcg darbepoetin ≈ 200–260 IU epoetin alfa) and clinical response varies. Switching ESA class requires re-titration and Hgb monitoring; payers may require a new PA.

NDC reference FDA NDC Directory verified May 2026

BrandNDC (10-digit)Vial sizeUse
Epogen (Amgen)55513-0126-102,000 IU SDVPediatric / low-dose
Epogen (Amgen)55513-0144-1010,000 IU SDVStandard adult dose unit
Epogen (Amgen)55513-0267-1040,000 IU SDVChemo-induced anemia weekly dose
Procrit (Janssen)59676-0302-014,000 IU SDVCKD initiation dose
Procrit (Janssen)59676-0310-0110,000 IU SDVStandard adult dose unit
Procrit (Janssen)59676-0340-0140,000 IU SDVChemo-induced anemia weekly dose
Verify NDC against the actual vial dispensed. NDC examples above are representative; confirm against the FDA NDC Directory and the carton in hand. Multi-dose vials (containing benzyl alcohol) have separate NDCs and are contraindicated in pregnancy and neonates.
Single-dose vs multi-dose: Single-dose vials (SDV) are the default for non-ESRD use and require JZ (no waste) or JW (waste documented). Multi-dose vials (MDV) for HD use do not use JZ/JW; partial vials are pooled per pharmacy SOP.
Phase 2 Code the claim SC injection (96372) is the most common admin code; ESRD use is bundled.

Administration codes CPT verified May 2026

Epoetin alfa is supportive care, NOT chemotherapy — use therapeutic admin codes, not chemo admin codes.

CodeDescriptionWhen to use
96372 Therapeutic, prophylactic, or diagnostic injection; SC or IM Primary code for SC Epogen / Procrit. Most common in CKD non-dialysis, chemo-induced anemia, perioperative.
96365 Therapeutic IV infusion, up to 1 hour For IV administration in non-ESRD outpatient settings (rare; SC is preferred). Not for HD bundled use.
96374 Therapeutic IV push, single or initial substance/drug For IV push in non-ESRD outpatient settings (occasional).
96401–96425 Chemotherapy administration codes NOT appropriate. Epoetin alfa is supportive care, not antineoplastic. Using chemo admin codes for ESAs is a common audit finding.
(bundled) HD administration during dialysis Bundled into ESRD PPS per-treatment payment when administered during in-center HD. No separate admin code billable.
SC vs IV admin code reality: Most non-dialysis Epogen / Procrit doses are SC, billed as 96372 alongside the J0885 drug line. The patient self-injects in many CKD non-dialysis cases — in-office training visits use 96372; subsequent home self-injection bills only the drug (J0885) without admin code, since admin is performed by the patient.

Modifiers CMS verified May 2026

JZ — required on every non-ESRD SDV claim with no waste

Effective July 1, 2023, CMS requires JZ on all single-dose container claims when no drug is discarded. For Epogen / Procrit, JZ applies when the dose matches the vial size exactly (e.g., 10,000 IU dose using one 10,000 IU SDV; 40,000 IU using one 40,000 IU SDV). One of JZ or JW must be on every J0885 SDV claim.

JW — report discarded portion of SDV

JW reports the discarded portion when the dose is smaller than the vial. Example: a 70 kg patient receiving 7,000 IU (100 IU/kg) from a 10,000 IU SDV discards 3,000 IU. Bill 7 units of J0885 with JZ-style admin documentation, plus a JW line for the 3 units discarded. The wasted 3 units are reimbursable but must be reported.

Modifier 25 — same-day E/M

Use modifier 25 on the E/M code when a significant, separately identifiable evaluation and management service is performed on the same day as the injection. Routine ESA monitoring labs (CBC) and brief symptom check are bundled into the injection.

340B modifiers (JG, TB)

For 340B-acquired Epogen / Procrit, follow your MAC's current 340B modifier policy. ESAs are commonly 340B-acquired in covered hospital outpatient and oncology clinic settings.

JZ/JW does NOT apply to multi-dose vials. MDV (with benzyl alcohol) usage in HD settings is pooled per pharmacy SOP and does not require waste reporting. Confirm vial type before applying modifier.

ICD-10-CM by indication FY2026 verified May 2026

ESA medical necessity requires anemia diagnosis (D64.81 or condition-specific) PLUS an underlying-cause code.

IndicationPrimary ICD-10Required companions
CKD anemia (non-dialysis) D63.1 (Anemia in CKD) + N18.3, N18.4, N18.5 (CKD stage)
HD-dependent CKD anemia (Q4081) D63.1 + N18.6 (ESRD) + Z99.2 (dialysis dependence)
Chemo-induced anemia (CIA) D64.81 (Anemia due to antineoplastic chemotherapy) + cancer C-code + Z51.11 (encounter for antineoplastic chemo)
Perioperative (autologous transfusion) D64.9 (Anemia, unspecified) or D62 (acute posthemorrhagic) + surgery indication code; pre-op encounter Z01.818
HIV / zidovudine-induced anemia D64.81 or B20 (HIV) + anemia code + Z79.899 (long-term drug therapy) for zidovudine
Anemia of chronic disease (off-label, requires PA) D63.8 (Anemia in other chronic diseases) + underlying chronic disease code
Off-label uses commonly denied: myelodysplastic syndromes (D46.x), anemia of inflammation, hereditary anemias, and pre-dialysis CKD with Hgb >10 g/dL. For MDS, see Reblozyl (J0896, luspatercept) which carries an MDS labeled indication. Aranesp (darbepoetin) has an MDS indication unique among ESAs.

Site of care & place of service Verified May 2026

ESA site-of-care UM is less aggressive than for high-cost monoclonal antibodies, but commercial payers increasingly steer ESAs out of HOPD for chronic dosing.

SettingPOSClaim formPayer steering
Physician office (oncology / nephrology)11CMS-1500 / 837PPreferred by commercial UM
Patient home (self-injection SC)12Drug only on CMS-1500Common for stable CKD non-dialysis maintenance
Free-standing dialysis facility65UB-04 / 837IBundled in ESRD PPS (Q4081)
Hospital outpatient (on-campus)22UB-04 / 837IDisfavored for chronic dosing
Ambulatory infusion suite49CMS-1500 / 837PAcceptable for IV administration
Home self-injection workflow: Most stable CKD-non-dialysis patients on Epogen / Procrit self-administer at home. Initial training visit bills 96372; subsequent vials dispensed by retail or specialty pharmacy bill J0885 only (no admin code) under medical benefit, or move to pharmacy benefit depending on payer. Verify benefit lane before submitting.

ESRD PPS bundling CMS ESRD PPS Final Rule

For in-center HD patients, epoetin alfa is bundled into the per-treatment ESRD payment — do not bill J0885 or Q4081 separately.

Since January 1, 2011, the Medicare ESRD Prospective Payment System (PPS) bundles all ESRD-related services, including ESAs, IV iron, vitamin D analogs, and dialysis-related labs, into a single per-treatment payment to the dialysis facility. Q4081 is reported on the dialysis claim (UB-04, 837I, revenue code 0634 or 0635) for ESA-APPRISE tracking and audit purposes — but it is not separately payable.

SettingCodePayment
In-center HD at dialysis facilityQ4081 (reported, not paid)Bundled in ESRD PPS per-treatment payment to facility
Home dialysis (HHD or PD)Q4081Bundled in ESRD PPS
HD patient hospitalized for non-ESRD reasonJ0885 if administered for non-ESRD indication during admissionInpatient prospective payment (DRG)
CKD non-dialysis (pre-ESRD)J0885Separately payable Part B drug; ASP+6%
Acute kidney injury on intermittent dialysis (not chronic ESRD)J0885 (per CMS clarification 2018+)Separately payable; AKI is not ESRD
Z99.2 (dialysis dependence) is the trigger. When Z99.2 is present with N18.6, the patient is on chronic dialysis and Q4081 (bundled) applies. Acute dialysis for AKI without Z99.2 may bill J0885 per CMS guidance — verify with your MAC's current local coverage policy.

Claim form field mapping Verified May 2026

From Amgen / Janssen access program guides + CMS Medicare Claims Processing Manual Ch. 17.

InformationCMS-1500 boxNotes
NPI17bRendering provider
NDC qualifier + 11-digit NDC + UoM + qty24A shaded areaN4 + Amgen 55513- or Janssen 59676-prefix NDC + ML or UN + total qty
HCPCS J0885 + JZ (or JW for waste)24D (drug line)JZ on virtually every adult non-ESRD SDV claim
Drug units (IU / 1,000)24G10 for 10,000 IU; 40 for 40,000 IU. Most common error point.
CPT 96372 (admin line, SC)24D (admin line)96365 if IV; bundled if HD during in-center dialysis
ICD-1021D63.1 + N18.x for CKD; D64.81 + cancer + Z51.11 for CIA
Hgb at initiation (most current)Documentation in chartMost payers require chart Hgb <10 g/dL for new starts; document iron status (TSAT, ferritin)
ESA APPRISE acknowledgment (cancer only)Documentation in chartPatient and Provider Acknowledgment Form before each chemo course
PA number23Required by most major commercial payers; MA plans typically follow CMS NCD 110.21
Phase 3 Get paid Hgb threshold and REMS enrollment are the two hard prerequisites.

Payer policy snapshot + Hgb 10–11 g/dL target Reviewed May 2026

All major payers cap continued ESA dosing at Hgb >11 g/dL and require iron-replete state.

PayerPA?Hgb threshold enforcementESA APPRISE (cancer)
Medicare (CMS NCD 110.21)
National Coverage Determination
No (no PA, but documented criteria) Hgb <10 g/dL at initiation; hold/reduce if >11 Required for chemo-induced anemia
UnitedHealthcare
Medical Drug Policy
Yes Strict. Hgb <10 at initiation, denies if >11; iron repletion required Yes — documentation required
Aetna
CPB 0195
Yes Hgb <10 g/dL at initiation; iron-replete; off chemo course discontinue Yes
BCBS plans
Vary by plan
Yes (most plans) Generally aligned with CMS NCD 110.21 + Hgb 10–11 target Yes
Medicare Advantage Plan-specific Follows NCD 110.21 floor, may add tighter UM Yes

Hgb monitoring + dose hold rules

  • Hgb >11 g/dL: hold dose; resume at 25% lower when Hgb <10
  • Hgb rises >1 g/dL in 2 weeks: reduce dose by 25%
  • No response (Hgb rise <1 g/dL) after 8 weeks at appropriate dose: discontinue (CIA)
  • Iron status quarterly: TSAT ≥20%, ferritin ≥100 ng/mL maintenance; lower targets fail to maintain Hgb

Step therapy

Generally not required for the labeled CKD anemia and CIA indications. Some payers require biosimilar Retacrit (Q5106) before originator J0885 for non-ESRD indications — verify formulary position. Aranesp (J0881) and Mircera (J0888) are usually parity options; some plans prefer one.

ESA APPRISE Oncology REMS FDA REMS verified May 2026

Required for chemotherapy-induced anemia (cancer) use. Joint REMS held by Amgen and Janssen.

The ESA APPRISE (Assisting Providers and cancer Patients with Risk Information for the Safe use of ESAs) Oncology Program is the FDA-mandated REMS for use of erythropoiesis-stimulating agents in patients with cancer receiving chemotherapy. It applies to Epogen, Procrit, Aranesp, and biosimilars (Retacrit). It does NOT apply to CKD anemia, perioperative anemia, or HIV anemia.

What's required

  • Prescriber enrollment in ESA APPRISE before prescribing for cancer indication
  • Patient Acknowledgment Form — signed before each chemotherapy course (not each dose)
  • Provider Acknowledgment Form — co-signed at the same encounter
  • Annual prescriber renewal (re-confirm enrollment)
  • Forms maintained in patient chart for audit (commercial + CMS audits both common)

Enrollment

  • Web: esa-apprise.com
  • Phone: 1-866-284-8089
  • Joint REMS held by Amgen Inc. and Janssen Biotech, Inc.; covers Epogen, Procrit, Aranesp, biosimilars
Common audit finding: ESA dosing for cancer indication without ESA APPRISE acknowledgment forms in the chart. Triggers payer recoupment and potential CMS audit. Verify forms are on file BEFORE the first dose, and refresh at each new chemo course.

Medicare reimbursement CMS Q2 2026 (live)

Quarterly ASP from CMS Part B Drug Pricing File. Refreshes automatically each quarter.

Q2 2026 payment snapshot — J0885

Effective April 1 – June 30, 2026 · Based on 4Q25 ASP submissions · 1 unit = 1,000 IU

ASP + 6%
$7.305
per 1,000 IU unit
10,000 IU dose
$73.05
10 units × ASP+6%
40,000 IU weekly (CIA)
$292.20
40 units × ASP+6%
Annualized cost (CIA, 40,000 IU SC weekly × 24 weeks chemo course): ~$7,012.80 drug cost (Medicare ASP+6%). After ~2% sequestration: ~$6,872 actual paid. CKD non-dialysis maintenance dosing varies widely (~$1,500–$5,000/year drug cost depending on Hgb response and patient weight).
Q4081 (ESRD) is bundled, not separately payable. ASP is published for tracking but not paid as a separate line. The ESRD PPS per-treatment payment (~$273 base rate FY2026) includes all ESAs, IV iron, and other bundled services.

Coverage

NCD 110.21 — Erythropoiesis Stimulating Agents (ESAs) in Cancer and Related Neoplastic Conditions: established coverage criteria for chemo-induced anemia (Hgb <10 at initiation, discontinue if no response after 8 weeks, off chemo course = stop). Local coverage policies (LCDs) elaborate on CKD non-dialysis dosing limits.

Code history

  • J0885 — permanent code, "Injection, epoetin alfa, (for non-ESRD use), 1,000 units" — long-standing since the late 1990s
  • Q4081 — permanent code for ESRD-on-dialysis use, bundled into ESRD PPS effective January 1, 2011
  • Q5105 — Retacrit (epoetin alfa-epbx, biosimilar) ESRD use; effective April 1, 2019
  • Q5106 — Retacrit non-ESRD use; effective April 1, 2019

Patient assistance — Amgen Assist 360 + Janssen CarePath Verified May 2026

Epogen — Amgen Assist 360

  • Phone: 1-888-427-7478
  • Web: amgenassist360.com
  • Benefits investigation, prior authorization assistance, appeals support
  • Commercial copay program (eligibility excludes Medicare, Medicaid, federal program patients)
  • Amgen Safety Net Foundation (Amgen SNF) — free product for uninsured / underinsured

Procrit — Janssen CarePath

  • Phone: 1-877-CarePath (1-877-227-3728)
  • Web: janssencarepath.com
  • Benefits investigation, PA assistance, denial / appeal support
  • Commercial copay program (similar federal-program exclusions)
  • Johnson & Johnson Patient Assistance Foundation — free product for income-qualified uninsured

Independent foundations (for Medicare patients)

  • HealthWell Foundation, PAN Foundation, CancerCare — verify open ESA / CKD anemia / CIA funds quarterly
  • National Kidney Foundation — CKD-specific copay support intermittently
Need to model a specific patient's out-of-pocket after copay assistance, deductible, coinsurance, and OOP max? Run a CareCost Estimate — J0885 pre-loaded.
Phase 4 Fix problems Unit conversion errors, Hgb threshold denials, and missing REMS forms are the top three.

Boxed Warning FDA Black Box 2007

Mortality, cardiovascular events, thromboembolism, stroke, and tumor progression. The reason for the 10–11 g/dL Hgb cap.

BOXED WARNING (excerpt, FDA label):
  • Chronic Kidney Disease: ESAs increased the risk of death, serious adverse cardiovascular reactions, and stroke in CKD patients administered to target Hgb >11 g/dL. Use the lowest dose sufficient to reduce the need for RBC transfusions.
  • Cancer: ESAs shortened overall survival and/or increased the risk of tumor progression or recurrence in clinical studies of patients with breast, non-small cell lung, head and neck, lymphoid, and cervical cancers. To minimize these risks, use the lowest dose needed to avoid RBC transfusions; use only for anemia from myelosuppressive chemotherapy; discontinue following the completion of a chemotherapy course; ESA APPRISE Oncology REMS required.
  • Perioperative: Increased risk of DVT in patients not receiving prophylactic anticoagulation. Consider DVT prophylaxis.

What this means for billing

  • Hgb >11 g/dL = stop dosing (and almost always = denial of next claim)
  • Cancer use without ESA APPRISE forms = audit risk + recoupment
  • Iron repletion is mandatory; ESA without iron supplementation is non-standard care and may deny
  • For perioperative use, document DVT prophylaxis plan

Common denials & how to fix them

Denial reasonCommon causeFix
Wrong unit count (10,000 instead of 10)Biller used IU directly instead of converting to units (1 unit = 1,000 IU)Resubmit with correct unit count: divide IU by 1,000. 10,000 IU = 10 units. 40,000 IU = 40 units.
Hgb >11 g/dLContinued dosing above target HgbHold ESA, document Hgb trajectory, resume at 25% lower dose when Hgb <10 g/dL.
ESA APPRISE forms missingCancer use without REMS acknowledgment in chartEnroll prescriber + complete patient/provider acknowledgment form, resubmit with chart documentation. Forms refresh at each new chemo course.
Iron status not documentedTSAT or ferritin not in chart at initiationDocument TSAT ≥20% and ferritin ≥100 ng/mL; supplement if deficient before resuming ESA.
J0885 billed for HD patientESRD patient billed under non-ESRD codeResubmit under Q4081 on UB-04 (or recognize the dose is bundled into ESRD PPS — not separately payable).
Q4081 billed for non-dialysis CKDESRD code used for CKD stage 3–5 not on dialysisResubmit under J0885 with N18.x (not N18.6/Z99.2) on CMS-1500.
Wrong admin code (96401 chemo)Chemo admin used for ESA supportive careResubmit with 96372 (SC therapeutic injection). ESAs are NOT chemotherapy.
JZ/JW missing on SDV claimSingle-dose vial without waste indicatorResubmit with JZ (no waste) or JW (waste reported in separate units). Required since 7/1/2023.
No response after 8 weeks (CIA)Continued ESA in cancer patient with Hgb rise <1 g/dLDiscontinue per FDA label and NCD 110.21. Consider transfusion or alternative anemia management.
Off-label MDSEpogen / Procrit billed for myelodysplastic syndromeSwitch to Aranesp (J0881) which has MDS labeled indication; or Reblozyl (J0896, luspatercept) for MDS with ring sideroblasts. Submit MDS-specific PA.

Frequently asked questions

What is the HCPCS code for Epogen and Procrit?

Both Epogen (Amgen) and Procrit (Janssen Biotech) bill under HCPCS J0885 — "Injection, epoetin alfa, (for non-ESRD use), 1,000 units." Same molecule, two brand names, one billing code. The unit basis is unusual: 1 billing unit = 1,000 IU. ESRD-on-dialysis use is billed under Q4081 instead, which is bundled into the ESRD PPS payment.

How many units do I bill for a 10,000 IU dose?

Bill 10 units of J0885 for a 10,000 IU dose. The unit conversion is the most common error on this code: 1 J0885 unit = 1,000 IU, so divide IU by 1,000 to get billing units. 4,000 IU = 4 units; 10,000 IU = 10 units; 40,000 IU = 40 units; 60,000 IU = 60 units.

What's the difference between J0885 and Q4081?

J0885 is for non-ESRD use of epoetin alfa (CKD not on dialysis, chemo-induced anemia, perioperative anemia, HIV anemia from zidovudine), with unit basis 1,000 IU per unit, separately payable Part B drug at ASP+6%. Q4081 is for ESRD-on-dialysis use, with unit basis 100 IU per unit, bundled into the ESRD PPS per-treatment payment (not separately payable). The trigger is Z99.2 (chronic dialysis dependence) on the claim.

What admin code do I use for Epogen?

For SC administration (most common for non-dialysis CKD, chemo-induced anemia, perioperative): CPT 96372 (therapeutic SC injection). For IV in non-ESRD outpatient settings: 96365 (therapeutic IV infusion) or 96374 (IV push). For HD patients during dialysis, the admin is bundled into the ESRD PPS — no separate admin code billable. Do NOT use chemo admin codes (96401–96425).

What is the Medicare reimbursement for J0885?

For Q2 2026, the Medicare Part B payment limit for J0885 is $7.305 per 1,000 IU unit (ASP + 6%). A 10,000 IU dose reimburses at approximately $73.05 (10 units × ASP+6%). A 40,000 IU weekly dose for chemo-induced anemia reimburses at approximately $292.20. Sequestration (~2%) reduces actual paid to roughly ASP + 4.3%.

Is ESA APPRISE REMS required?

Yes — but only for the cancer (chemotherapy-induced anemia) indication. The ESA APPRISE Oncology Program is a joint REMS held by Amgen and Janssen requiring prescriber enrollment and Patient/Provider Acknowledgment Forms before each chemo course. ESA APPRISE is NOT required for CKD anemia, perioperative anemia, or HIV-related anemia.

What is the target hemoglobin for ESA therapy?

Per CMS NCD 110.21 and most major commercial payer policies, target Hgb is 10–11 g/dL. Continued ESA dosing at Hgb >11 will be denied. Required: Hgb <10 at initiation, iron-replete state (TSAT ≥20%, ferritin ≥100 ng/mL), hold/reduce if Hgb rises >1 g/dL in 2 weeks, discontinue chemo-induced anemia treatment if no response after 8 weeks.

What does the Boxed Warning say?

ESAs (epoetin alfa included) carry an FDA Boxed Warning added in 2007 describing increased risk of death, serious cardiovascular events, thromboembolism, and stroke when administered to target Hgb >11 g/dL; tumor progression and shortened overall survival in cancer patients outside the ESA APPRISE-approved labeling; and recommended DVT prophylaxis for perioperative use due to thrombosis risk. Use the lowest dose to avoid transfusion.

How does Retacrit (biosimilar) compare?

Retacrit (Q5105 / Q5106, epoetin alfa-epbx) is the FDA-approved biosimilar of Procrit/Epogen, approved May 2018, manufactured by Pfizer (Hospira/Vifor). Same molecule (matched by biosimilar designation), typically priced 20–40% below originator ASP. Many large oncology and dialysis purchasing organizations have moved to Retacrit as preferred. Some commercial payers require Retacrit step before originator J0885.

Reference Sources & methodology Every claim on this page is sourced. Methodology and review history below.

Source documents

  1. DailyMed — EPOGEN / PROCRIT (epoetin alfa) Prescribing Information
    FDA-approved label, BLA 103234. Boxed Warning added 2007.
  2. Amgen Assist 360 — Epogen patient and provider support
    Phone: 1-888-427-7478
  3. Janssen CarePath — Procrit patient and provider support
    Phone: 1-877-227-3728 (1-877-CarePath)
  4. ESA APPRISE Oncology Program — joint REMS (Amgen + Janssen)
    Required for cancer (chemo-induced anemia) use. Phone: 1-866-284-8089.
  5. CMS NCD 110.21 — Erythropoiesis Stimulating Agents (ESAs) in Cancer and Related Neoplastic Conditions
  6. CMS — Medicare Part B Drug ASP Pricing File
    Q2 2026 quarterly file, effective April 1 – June 30, 2026
  7. CMS — ESRD Prospective Payment System
    Bundled payment for in-center HD covers Q4081 ESA dosing
  8. KDIGO Clinical Practice Guideline for Anemia in Chronic Kidney Disease
  9. SEER CanMED — HCPCS J0885 reference
  10. UnitedHealthcare — Erythropoiesis Stimulating Agents Medical Drug Policy
  11. Aetna CPB 0195 — Erythropoiesis Stimulating Agents
  12. FDA National Drug Code Directory

About this page

We maintain this page as a living reference. Medicare ASP pricing is bound to our underlying CareCost data layer and refreshes automatically when CMS publishes new quarterly files. Coding and policy content is reviewed at least quarterly and updated whenever a source document changes.

Found an error? Email hello@carecostestimate.com.

Refresh cadence

ElementCadenceHow it's refreshed
Medicare ASP pricing (J0885)QuarterlyAuto-bound to CareCost ASP layer; updates on CMS file release.
ESRD PPS bundled rate / Q4081 trackingAnnualReviewed against CMS ESRD PPS Final Rule (annually).
Payer policies (UHC, Aetna, BCBS)Semi-annualManual review against published payer policy documents.
HCPCS / CPT / modifier rulesAnnualReviewed against CMS HCPCS quarterly files and AMA CPT releases.
ESA APPRISE REMS programEvent-drivenTied to FDA REMS document version + Amgen/Janssen joint program updates.
NDC, dosing, FDA label, indication listEvent-drivenTied to manufacturer document version + FDA label revision date.

Reviewer

Pending SME review. This page is staff-authored from primary sources (FDA, CMS, manufacturer, payer documents — all linked above). Editorial review in progress. Until that review is complete, treat this as a draft reference and verify each cited source for high-stakes claims, especially the unit-conversion math (1 J0885 unit = 1,000 IU) and ESRD bundling rules.

Change log

  • — Initial publication. ASP data: Q2 2026 ($7.305/unit). Sources: FDA label (most recent rev incl. 2007 Boxed Warning), CMS NCD 110.21, CMS ESRD PPS, KDIGO CKD anemia guidelines, Amgen Assist 360, Janssen CarePath, ESA APPRISE Oncology REMS, UHC + Aetna ESA policies. Dual-brand (Epogen + Procrit) treatment, J0885 vs Q4081 distinction, ESA class comparison (Aranesp / Mircera / Retacrit biosimilar) all included.

Methodology

Every claim on this page is sourced inline. Pricing reflects the current CMS Part B Drug ASP Pricing File. Payer policies are read directly from each payer's published medical/pharmacy policy documents. ESA APPRISE program details are read directly from the joint Amgen / Janssen REMS website. We do not paraphrase from billing-software vendor blogs.

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