S5566 Insulin cartridge 300 u
Also known as: insulin cartridge, insulin refill
Insulin cartridge containing 300 units for use in reusable insulin pens or pumps providing extended supply duration.
In Plain Language
Large insulin refill; Extended pen cartridge
Clinical Context
Supplied as higher-capacity refill cartridge for reusable insulin delivery devices in Home Infusion Therapy or home diabetes management.
RVU Information
CPT S5566 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
S-codes are used by private payers (not Medicare) for services without a standard CPT or HCPCS code. Coverage varies significantly between insurers. Verify payer acceptance before billing and document medical necessity thoroughly.
Specialties
Frequently Asked Questions
What is CPT code S5566?
CPT S5566 (Insulin cartridge 300 u) is a S Codes code. Insulin cartridge containing 300 units for use in reusable insulin pens or pumps providing extended supply duration.
Is S5566 covered by insurance?
S5566 is a temporary HCPCS code. Coverage varies by payer and may change when permanent codes are assigned. Supplied as higher-capacity refill cartridge for reusable insulin delivery devices in Home Infusion Therapy or home diabetes management.
When is CPT S5566 used?
Supplied as higher-capacity refill cartridge for reusable insulin delivery devices in Home Infusion Therapy or home diabetes management.
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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.