J1812 Injection. insulin (fiasp)
Also known as: fiasp, fast insulin aspart
Injection of fiasp (faster-acting insulin aspart). A rapid-action insulin analog with enhanced onset and offset kinetics.
In Plain Language
rapid insulin injection; fast-acting diabetes medication
Clinical Context
Used for basal-bolus insulin therapy in type 1 and type 2 diabetes. Fiasp has faster onset (approximately 8.5 minutes) and faster offset than standard insulin aspart.
RVU Information
CPT J1812 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 J1812?
CPT J1812 (Injection. insulin (fiasp)) is a J Codes (Drugs) code. Injection of fiasp (faster-acting insulin aspart). A rapid-action insulin analog with enhanced onset and offset kinetics.
How is J1812 administered?
CPT J1812 is administered by a healthcare provider, typically via injection or infusion. Used for basal-bolus insulin therapy in type 1 and type 2 diabetes. Fiasp has faster onset (approximately 8.5 minutes) and faster offset than standard insulin aspart. It is used by Endocrinology, Internal Medicine, Diabetes Management.
When is CPT J1812 used?
Used for basal-bolus insulin therapy in type 1 and type 2 diabetes. Fiasp has faster onset (approximately 8.5 minutes) and faster offset than standard insulin aspart.
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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.