The Assistance Fund — Immunoglobulin G4-Related Disease (IgG4-RD) Fund

Copay assistance fund status, eligibility, and covered drugs — for patient access and billing teams.

Maximum award No cap on annual assistance · Income Income-based eligibility; threshold not published · Copays, coinsurance, deductibles, health insurance premiums, incidental medical expenses

OPEN
Status verified June 3, 2026 · Source: The Assistance Fund fund page ↗

Fund facts

Published terms from the foundation. Per-patient eligibility and amounts are confirmed at application.

Assistance type
Copay Grant
Maximum award
No cap on annual assistance
What it covers
Copays, coinsurance, deductibles, health insurance premiums, incidental medical expenses
Income limit
Income-based eligibility; threshold not published
Insurance
commercial medicare medicaid
Diagnosis required
IgG4-related disease diagnosis
Residency
US residents and Puerto Rico
ICD-10
D89.84
Renewal
annual reenrollment
Launched October 2025. Uplizna (J1823) got IgG4-RD approval 2025 — ICP fit.

Covered drugs in our billing library

Drugs whose J-codes this fund matches. Each links to its billing & coding reference.

No drugs from our library currently map to this fund.

This fund is closed — here's the move

Fund status changes with donations, often without an announcement — confirm directly with the foundation at 833-566-5962, and check the alternatives below.

Common questions

Is the The Assistance Fund Immunoglobulin G4-Related Disease (IgG4-RD) fund open?

As of June 3, 2026, the The Assistance Fund Immunoglobulin G4-Related Disease (IgG4-RD) fund is OPEN and accepting applications. Verify at time of service: 833-566-5962.

How much assistance does the Immunoglobulin G4-Related Disease (IgG4-RD) fund provide?

No cap on annual assistance. Copays, coinsurance, deductibles, health insurance premiums, incidental medical expenses

What are the income limits for the Immunoglobulin G4-Related Disease (IgG4-RD) fund?

Household income must be Income-based eligibility; threshold not published. US residents and Puerto Rico.

What insurance does the Immunoglobulin G4-Related Disease (IgG4-RD) fund accept?

Accepted: commercial, medicare, medicaid.

Patient or caregiver? Show this page to your infusion center's financial counselor — they can check what you'd qualify for and apply on your behalf, or call The Assistance Fund at 833-566-5962.