J7320 HCPCS code: Hyaluronan or derivitive, genvisc 850, for intra-articular injection, 1 mg

J7320 is the HCPCS Level II code for hyaluronan or derivitive, genvisc 850, for intra-articular injection, 1 mg. In 2024 Medicare paid an average of $4.23 per service for J7320 across 3,895,844 services. Its Medicare coverage code is C (Carrier judgment): Coverage is decided by the Medicare contractor (MAC) case by case. The NCCI unit limit is 50 per day on outpatient hospital claims. Medicare volume fell 39% from 2022 to 2024 (6,424,372 to 3,895,844 services). In 2024, about 1,114 clinicians billed Medicare for J7320 for 20,472 beneficiaries; Illinois, New York, California accounted for 39% of services.

Code details

FieldValue
SectionJ codes — Drugs administered other than oral method
Coverage codeC — Carrier judgment
Pricing indicator51 — Drug or biological (priced per ASP/average sales price rules)
BETOS categoryO1E — Other drugs
Added2017-01-01
Last action effective2018-01-01

Who bills J7320 (2024)

MeasureValue
Clinicians billing (by place of service)1,114
Medicare beneficiaries20,472
States with claims35
Share of services in top 3 states (Illinois, New York, California)39%

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

Medicare utilization for J7320, 2022–2024

YearServicesBeneficiariesAvg. allowedAvg. paid
20226,424,37240,088$14.84$11.80
20234,596,42225,366$7.06$5.58
20243,895,84420,472$5.37$4.23

States with the most J7320 services (2024)

StateServicesAvg. paid
Illinois791,350$4.27
New York395,668$4.22
California339,985$4.22
Texas319,498$4.21
New Jersey319,378$4.23

NCCI unit limits (MUE)

Claim typeMax units per dayRationale
outpatient hospital claims50Prescribing Information
practitioner claims50Prescribing Information

Medicare policy articles for this code

Covered diagnoses (17 ICD-10-CM codes)

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

ICD-10-CMDiagnosisArticles listing it
M17.0Bilateral primary osteoarthritis of knee3
M17.11Unilateral primary osteoarthritis, right knee3
M17.12Unilateral primary osteoarthritis, left knee3
M17.2Bilateral post-traumatic osteoarthritis of knee3
M17.31Unilateral post-traumatic osteoarthritis, right knee3
M17.32Unilateral post-traumatic osteoarthritis, left knee3
M17.4Other bilateral secondary osteoarthritis of knee3
M17.5Other unilateral secondary osteoarthritis of knee3
M17.9Osteoarthritis of knee, unspecified1
M19.011Primary osteoarthritis, right shoulder1

Showing 10 of 17. The full list, non-covered diagnoses and CSV export are in Caduvo.

What changed for J7320

Frequently asked questions

What is HCPCS code J7320?

J7320 is the HCPCS Level II code for hyaluronan or derivitive, genvisc 850, for intra-articular injection, 1 mg. Short descriptor: "Genvisc 850, inj, 1mg".

How much does Medicare pay for J7320?

In 2024, the average Medicare payment was $4.23 per service (average allowed $5.37).

Does Medicare cover J7320?

Coverage code C — Carrier judgment. Coverage is decided by the Medicare contractor (MAC) case by case.

Which diagnoses support coverage for J7320?

Medicare policy articles that cite J7320 list 17 covered ICD-10-CM diagnosis codes across 3 articles. The most cited include M17.0 (Bilateral primary osteoarthritis of knee), M17.11 (Unilateral primary osteoarthritis, right knee), M17.12 (Unilateral primary osteoarthritis, left knee). A listed diagnosis is necessary but not sufficient; the policy's other criteria still apply.

How many units of J7320 can be billed per day?

50 on outpatient hospital claims; 50 on practitioner claims (NCCI medically unlikely edits).

Related J73 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