J1640 Hemin, 1 milligrams
Also known as: hemin, heme arginate
Hemin injection, 1 milligram. A heme derivative for acute intermittent porphyria attack treatment.
In Plain Language
porphyria emergency treatment; rare blood disease medication
Clinical Context
Used for acute intermittent porphyria, porphyria cutanea tarda, and other acute porphyria crises. Intravenous infusion with careful hemoglobin monitoring.
RVU Information
CPT J1640 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 J1640?
CPT J1640 (Hemin, 1 milligrams) is a J Codes (Drugs) code. Hemin injection, 1 milligram. A heme derivative for acute intermittent porphyria attack treatment.
How is J1640 administered?
CPT J1640 is administered by a healthcare provider, typically via injection or infusion. Used for acute intermittent porphyria, porphyria cutanea tarda, and other acute porphyria crises. Intravenous infusion with careful hemoglobin monitoring. It is used by Internal Medicine, Hematology, Critical Care.
When is CPT J1640 used?
Used for acute intermittent porphyria, porphyria cutanea tarda, and other acute porphyria crises. Intravenous infusion with careful hemoglobin monitoring.
Track This Code in RVU Edge
Log procedures, calculate wRVUs, and benchmark against MGMA data — all in one app.
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.