It can take up to 30 minutes to administer this injection.

HCPCS Code J7321: Hyaluronan or Derivative, Hyalgan, Supartz or Visco-3, for Intra-Articular Injection, Per Dose
Learn about the HCPCS code J7321 for "hyaluronan or derivative, hyalgan, supartz or visco-3, for intra-articular injection, per dose."
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Frequently asked questions
It can take up to a week before the patient feels the improved lubrication and cushioning this injection provides.
Yes. The potential severe complications (albeit rare) include allergic reactions to the drug, bleeding inside the knee joint, and inflammation flare-ups.
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