J2788 HCPCS code: Injection, rho d immune globulin, human, minidose, 50 micrograms (250 i.u.)

J2788 is the HCPCS Level II code for injection, rho d immune globulin, human, minidose, 50 micrograms (250 i.u.). In 2023 Medicare paid an average of $17.95 per service for J2788 across 13 services. Its Medicare coverage code is D (Special coverage instructions apply): Medicare covers it when its national or local coverage criteria are met. The NCCI unit limit is 1 per day on outpatient hospital claims. Medicare volume rose 8% from 2022 to 2023 (12 to 13 services). In 2023, about 2 clinicians billed Medicare for J2788 for 13 beneficiaries.

Code details

FieldValue
SectionJ codes — Drugs administered other than oral method
Coverage codeD — Special coverage instructions apply
Pricing indicator51 — Drug or biological (priced per ASP/average sales price rules)
BETOS categoryO1E — Other drugs
Added2003-01-01
Last action effective2014-01-01

Who bills J2788 (2023)

MeasureValue
Clinicians billing (by place of service)2
Medicare beneficiaries13
States with claims1

Counts only. Supplier and clinician names, contact lists and state-by-state detail are in Caduvo.

Medicare utilization for J2788, 2022–2023

YearServicesBeneficiariesAvg. allowedAvg. paid
20221212$20.70$16.54
20231313$22.54$17.95

States with the most J2788 services (2023)

StateServicesAvg. paid
New York12$19.45

NCCI unit limits (MUE)

Claim typeMax units per dayRationale
outpatient hospital claims1Prescribing Information
practitioner claims1Prescribing Information

Medicare policy articles for this code

Covered diagnoses (1 ICD-10-CM codes)

The diagnoses most often listed as covered in the policy articles above:

ICD-10-CMDiagnosisArticles listing it
D69.3Immune thrombocytopenic purpura1

What changed for J2788

Frequently asked questions

What is HCPCS code J2788?

J2788 is the HCPCS Level II code for injection, rho d immune globulin, human, minidose, 50 micrograms (250 i.u.). Short descriptor: "Rho d immune globulin 50 mcg".

How much does Medicare pay for J2788?

In 2023, the average Medicare payment was $17.95 per service (average allowed $22.54).

Does Medicare cover J2788?

Coverage code D — Special coverage instructions apply. Medicare covers it when its national or local coverage criteria are met.

Which diagnoses support coverage for J2788?

Medicare policy articles that cite J2788 list 1 covered ICD-10-CM diagnosis codes across 1 article. The most cited include D69.3 (Immune thrombocytopenic purpura). A listed diagnosis is necessary but not sufficient; the policy's other criteria still apply.

How many units of J2788 can be billed per day?

1 on outpatient hospital claims; 1 on practitioner claims (NCCI medically unlikely edits).

Related J27 codes

Building a device that would bill under a code like this? Caduvo matches a device description to HCPCS/CPT codes, Medicare coverage and payment, and the FDA pathway in one report.

Next steps

Sources: CMS HCPCS Level II release October 2025; CMS DMEPOS fee schedule; CMS NCCI MUE tables; CMS Medicare utilization (physician and DME supplier files); CMS Medicare Coverage Database articles. Fees are Medicare allowables, not commercial rates. Not billing or legal advice.

All J codes · HCPCS lookup