J1643 Injection heparin, pfizer, 1000u
Also known as: heparin Pfizer, unfractionated heparin
Heparin sodium injection (Pfizer), 1000 units. A branded heparin for thromboembolism treatment.
In Plain Language
blood thinner injection; clot prevention
Clinical Context
Used for acute thromboembolism treatment and thromboprophylaxis. Pfizer formulation with standard anticoagulation monitoring.
RVU Information
CPT J1643 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 J1643?
CPT J1643 (Injection heparin, pfizer, 1000u) is a J Codes (Drugs) code. Heparin sodium injection (Pfizer), 1000 units. A branded heparin for thromboembolism treatment.
How is J1643 administered?
CPT J1643 is administered by a healthcare provider, typically via injection or infusion. Used for acute thromboembolism treatment and thromboprophylaxis. Pfizer formulation with standard anticoagulation monitoring. It is used by Internal Medicine, Cardiology, Hematology.
When is CPT J1643 used?
Used for acute thromboembolism treatment and thromboprophylaxis. Pfizer formulation with standard anticoagulation 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.