J0599 Injection., haegarda 10 units
Also known as: haegarda, C1-INH recombinant, recombinant esterase inhibitor
Haegarda (C1 esterase inhibitor recombinant) injection, 10 units, for subcutaneous administration and long-term prophylaxis of hereditary angioedema.
In Plain Language
hereditary swelling prevention injection; long-term angioedema prevention
Clinical Context
First and only subcutaneous recombinant C1-INH for routine prophylaxis of HAE. Administered twice weekly subcutaneously to maintain steady C1-INH levels and prevent attacks.
RVU Information
CPT J0599 does not have a physician work RVU assigned by CMS. This is typical for supply, drug, and equipment codes — reimbursement is based on Average Sales Price (ASP), fee schedules, or payer contracts rather than the RVU system.
Billing & Documentation
J-codes represent drugs administered by a healthcare provider (not self-administered). Documentation must include the drug name, dosage, route of administration, and medical necessity. Most payers require the National Drug Code (NDC) on the claim. Bill the appropriate administration code (96365-96379) in addition to the drug code.
Specialties
Frequently Asked Questions
What is CPT code J0599?
CPT J0599 (Injection., haegarda 10 units) is a J Codes (Drugs) code. Haegarda (C1 esterase inhibitor recombinant) injection, 10 units, for subcutaneous administration and long-term prophylaxis of hereditary angioedema.
How is J0599 administered?
CPT J0599 is administered by a healthcare provider, typically via injection or infusion. First and only subcutaneous recombinant C1-INH for routine prophylaxis of HAE. Administered twice weekly subcutaneously to maintain steady C1-INH levels and prevent attacks. It is used by allergy, immunology, primary care.
When is CPT J0599 used?
First and only subcutaneous recombinant C1-INH for routine prophylaxis of HAE. Administered twice weekly subcutaneously to maintain steady C1-INH levels and prevent attacks.
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CPT® is a registered trademark of the American Medical Association. Data sourced from CMS Physician Fee Schedule RVU26A. Descriptions, synonyms, and clinical context are original content by RVU Edge.