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What Is CPT Code J7324?

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Last updated on 6 min read

CPT code J7324 describes the administration of Orthovisc, a hyaluronan derivative, as a 30 mg intra-articular injection for joint treatment.

What Is CPT Code J7324?

CPT code J7324 is the HCPCS Level II code for Orthovisc, a hyaluronan derivative used for intra-articular injection into a joint, billed per 30 mg dose.

Think of this code as Orthovisc’s personal ID in the billing world. It’s not interchangeable with other hyaluronic acid products like Synvisc or Euflexxa. Your documentation better shout out the brand name, the exact joint you injected, and the precise dose—otherwise, insurers might come knocking with denials. And hey, don’t assume every payer plays by the same rules; some might demand prior authorization before they’ll even consider covering this.

How do I bill CPT code J7324?

To bill CPT code J7324, report one unit per 30 mg dose of Orthovisc administered, using the appropriate joint modifier (e.g., RT, LT, or 50).

Start by slapping on the right joint modifier—RT for right, LT for left, or 50 for bilateral work. Pair it with an ICD-10 code that screams medical necessity, like M17.10 for a knee drowning in osteoarthritis. Some insurers won’t blink unless you prove conservative treatments (think physical therapy or NSAIDs) failed first. Double-check their rules—no one likes surprise denials.

Is J7324 covered by Medicare?

Medicare covers J7324 for patients with knee osteoarthritis who have documented joint space narrowing, osteophytes, or other X-ray evidence of degeneration.

Medicare’s not handing out free injections. Patients need proof of knee osteoarthritis on imaging—joint space narrowing, bone spurs, or other signs of wear and tear. They also must show they’ve fought arthritis with conservative weapons (oral meds, PT, etc.) for at least three months. Part B covers the injection itself, but expect a 20% coinsurance unless the patient has a Medigap plan. Don’t forget to check your local Medicare rules—some contractors add extra hoops.

What is HCPCS J7324?

HCPCS code J7324 is the billing code for Orthovisc, a hyaluronan derivative administered as a 30 mg intra-articular injection.

J7324 lives in the HCPCS Level II “J” code neighborhood, reserved for injectable drugs and biologics. It’s not a free-for-all—use it only for Orthovisc. Try billing Synvisc under this code, and you’ll get a denial faster than you can say “claim rejection.” Keep it specific, or pay the price.

What is the CPT code for hyaluronic acid injections?

The primary CPT codes for hyaluronic acid injections are 20610 (for major joints like the knee without imaging) and 20611 (for major joints with ultrasound guidance).

Got a knee that needs love? Use 20610 if you’re flying blind (no imaging). Need a GPS for your needle? Switch to 20611 with ultrasound guidance. Both codes cover fluid removal or analysis during the same visit. Just don’t forget the joint modifier—RT, LT, or 50—to point to the exact spot you worked on.

What is CPT code J7325?

HCPCS code J7325 is used to bill Synvisc or Synvisc-One, hyaluronan derivatives for intra-articular injection, billed per 1 mg.

Synvisc usually demands a three-dose series over three weeks, while Synvisc-One cuts to the chase with a single shot. That means three units of J7325 for Synvisc, but just one for Synvisc-One. Some insurers will ask for proof you tried other treatments first—like physical therapy or NSAIDs—before they’ll cough up the cash.

What does CPT code 20610 mean?

CPT code 20610 describes the aspiration of a joint or bursa, including the injection of a substance such as hyaluronic acid, performed without imaging guidance.

This code covers both sucking out joint fluid and injecting meds like hyaluronic acid—all in one go, no imaging required. It’s for major joints (knee, shoulder, hip) and doesn’t care what you inject, so document carefully. Want imaging? That’s 20611’s gig.

Are hyaluronic acid injections covered by insurance?

Most insurance plans, including Medicare and private insurers, cover hyaluronic acid injections when medically necessary and prior authorization is obtained.

Insurance usually plays ball if the patient has osteoarthritis that’s shrugged off oral meds, PT, or steroid shots. Coverage can flip-flop based on the joint and the plan, though. Always check the fine print and get prior authorization if the plan demands it—nobody wants a surprise bill.

Does Medicare cover injections for arthritis?

Medicare Part B covers arthritis injections, including hyaluronic acid and steroid injections, when administered in a clinical setting and deemed medically necessary.

Medicare’s happy to foot the bill for arthritis injections—hyaluronic acid, steroids, you name it—if it’s medically necessary and done in a clinical setting. Knee injections get more love than finger joints, and rules can vary by region. Patients should always verify coverage before scheduling.

Does Medicare cover Hymovis injections?

Medicare reimburses Hymovis injections at the Average Sales Price plus 6%, provided the injection is medically necessary and properly documented.

Medicare pays Hymovis at ASP plus 6%, but you’ll need to dig into the CMS website for the latest rates—these numbers update every quarter. Local Medicare contractors might tack on extra rules, so skim their Local Coverage Determinations before billing. Skimp on documentation, and you’ll be out of luck.

What is Euflexxa injection?

Euflexxa is a sterile, non-pyrogenic sodium hyaluronate solution injected into the knee to relieve pain caused by osteoarthritis.

Euflexxa’s made from bacteria, not animals, so allergic reactions are rare. It’s a three-shot series over three weeks for knees that haven’t found relief from oral meds or PT. Simple as that.

Is CPT code 20611 considered surgery?

No, CPT code 20611 is not considered surgery; it describes joint injection with imaging guidance, such as ultrasound or fluoroscopy.

This isn’t surgery—no incisions, no anesthesia, just a needle guided by imaging (ultrasound or fluoroscopy) to hit the joint spot-on. Minimally invasive? Absolutely. Surgical? Not even close. Use it only when you’re using imaging to steer the needle.

What is J7321?

HCPCS code J7321 is used to bill Supartz or Supartz-FX, hyaluronan derivatives for intra-articular injection, billed per 25 mg dose.

Supartz usually demands five injections over five weeks, with each 25 mg dose counting as one unit of J7321. Some insurers will ask for proof you tried other treatments first—like PT or NSAIDs—before they’ll approve coverage. Check their rules to avoid denials.

What is J code J3490?

HCPCS code J3490 is a miscellaneous injectable drug code used when no specific J code exists for the drug being administered.

J3490 is the billing world’s catch-all for injectable drugs without their own code. You’ll need to describe the drug in detail on the claim, and insurers will scrutinize it like a hawk. Never use it as a shortcut when a specific J code exists—denials will follow.

What is procedure code 20611?

Procedure code 20611 describes joint injection with imaging guidance, such as ultrasound or fluoroscopy, for major joints like the knee.

This code covers injecting hyaluronic acid or other substances into major joints, with imaging guidance to ensure accuracy. It might also include fluid removal. Don’t forget the joint modifier (RT, LT, or 50) to pinpoint the injection site.

Does Medicare pay for J7320?

Medicare does not reimburse for J7320, as it is not a valid HCPCS code for hyaluronic acid injections.

J7320 was once the code for Hyalgan, but it’s been retired. If you try billing it now, expect a denial. Double-check the correct code for the hyaluronic acid product you’re using—mistakes here are costly.

Edited and fact-checked by the TechFactsHub editorial team.
David Okonkwo

David Okonkwo holds a PhD in Computer Science and has been reviewing tech products and research tools for over 8 years. He's the person his entire department calls when their software breaks, and he's surprisingly okay with that.