A4421 Ostomy supply misc
Also known as: miscellaneous ostomy supply, unspecified ostomy item
Miscellaneous ostomy supplies not otherwise specified.
In Plain Language
various ostomy accessories
Clinical Context
Used as a catch-all code for ostomy-related supplies not specifically categorized. Includes adhesives, sealants, and other ancillary products.
RVU Information
CPT A4421 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
HCPCS A-codes cover medical supplies, equipment, and transport services. Documentation must establish medical necessity and include a physician order. For durable medical equipment (DME), a Certificate of Medical Necessity (CMN) or detailed written order may be required.
Specialties
Frequently Asked Questions
What is CPT code A4421?
CPT A4421 (Ostomy supply misc) is a A Codes code. Miscellaneous ostomy supplies not otherwise specified.
Does Medicare cover A4421?
Medicare coverage for A4421 depends on medical necessity and applicable Local Coverage Determinations (LCDs). Used as a catch-all code for ostomy-related supplies not specifically categorized. Includes adhesives, sealants, and other ancillary products. A physician order is typically required.
When is CPT A4421 used?
Used as a catch-all code for ostomy-related supplies not specifically categorized. Includes adhesives, sealants, and other ancillary products.
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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.