J1786 HCPCS code: Injection, imiglucerase, 10 units

J1786 is the HCPCS Level II code for injection, imiglucerase, 10 units. In 2024 Medicare paid an average of $34.22 per service for J1786 across 262,857 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 680 per day on outpatient hospital claims. Medicare volume fell 14% from 2022 to 2024 (304,361 to 262,857 services). In 2024, about 86 clinicians billed Medicare for J1786 for 41 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
Added2011-01-01
Last action effective2011-01-01

Who bills J1786 (2024)

MeasureValue
Clinicians billing (by place of service)86
Medicare beneficiaries41
States with claims0

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

Medicare utilization for J1786, 2022–2024

YearServicesBeneficiariesAvg. allowedAvg. paid
2022304,36148$43.57$34.80
2023276,78146$43.58$34.71
2024262,85741$42.97$34.22

NCCI unit limits (MUE)

Claim typeMax units per dayRationale
outpatient hospital claims680Clinical: Data
practitioner claims680Clinical: Data

What changed for J1786

Frequently asked questions

What is HCPCS code J1786?

J1786 is the HCPCS Level II code for injection, imiglucerase, 10 units. Short descriptor: "Imuglucerase injection".

How much does Medicare pay for J1786?

In 2024, the average Medicare payment was $34.22 per service (average allowed $42.97).

Does Medicare cover J1786?

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

How many units of J1786 can be billed per day?

680 on outpatient hospital claims; 680 on practitioner claims (NCCI medically unlikely edits).

Related J17 codes

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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.

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