J7322 HCPCS code: Hyaluronan or derivative, hymovis, for intra-articular injection, 1 mg

J7322 is the HCPCS Level II code for hyaluronan or derivative, hymovis, for intra-articular injection, 1 mg. In 2024 Medicare paid an average of $13.55 per service for J7322 across 1,788,703 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 64 per day on outpatient hospital claims. Medicare volume rose 15% from 2022 to 2024 (1,555,341 to 1,788,703 services). In 2024, about 2,142 clinicians billed Medicare for J7322 for 24,588 beneficiaries; Florida, Texas, New Jersey accounted for 37% 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 effective2017-01-01

Who bills J7322 (2024)

MeasureValue
Clinicians billing (by place of service)2,142
Medicare beneficiaries24,588
States with claims37
Share of services in top 3 states (Florida, Texas, New Jersey)37%

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

Medicare utilization for J7322, 2022–2024

YearServicesBeneficiariesAvg. allowedAvg. paid
20221,555,34122,589$25.92$20.63
20231,284,80317,900$16.62$13.17
20241,788,70324,588$17.14$13.55

States with the most J7322 services (2024)

StateServicesAvg. paid
Florida391,373$13.54
Texas145,776$13.54
New Jersey128,660$13.46
North Carolina127,588$13.55
Virginia124,292$13.57

NCCI unit limits (MUE)

Claim typeMax units per dayRationale
outpatient hospital claims64Prescribing Information
practitioner claims64Prescribing 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 J7322

Frequently asked questions

What is HCPCS code J7322?

J7322 is the HCPCS Level II code for hyaluronan or derivative, hymovis, for intra-articular injection, 1 mg. Short descriptor: "Hymovis injection 1 mg".

How much does Medicare pay for J7322?

In 2024, the average Medicare payment was $13.55 per service (average allowed $17.14).

Does Medicare cover J7322?

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

Which diagnoses support coverage for J7322?

Medicare policy articles that cite J7322 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 J7322 can be billed per day?

64 on outpatient hospital claims; 64 on practitioner claims (NCCI medically unlikely edits).

Related J73 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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