A4100 Nosht skin sub fda clrd not otherwise specified
Also known as: unlisted skin substitute, noncovered substitute, miscellaneous skin substitute
Noncovered Skin Substitute, FDA-cleared, not otherwise specified, a biologic or synthetic skin replacement not specifically listed in Healthcare Common Procedure Coding System.
In Plain Language
unlisted skin graft; non-standard skin dressing
Clinical Context
Used for new or emerging skin substitute technologies not described by specific codes, requiring supplemental documentation.
RVU Information
CPT A4100 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 A4100?
CPT A4100 (Nosht skin sub fda clrd not otherwise specified) is a A Codes code. Noncovered Skin Substitute, FDA-cleared, not otherwise specified, a biologic or synthetic skin replacement not specifically listed in Healthcare Common Procedure Coding System.
Does Medicare cover A4100?
Medicare coverage for A4100 depends on medical necessity and applicable Local Coverage Determinations (LCDs). Used for new or emerging skin substitute technologies not described by specific codes, requiring supplemental documentation. A physician order is typically required.
When is CPT A4100 used?
Used for new or emerging skin substitute technologies not described by specific codes, requiring supplemental documentation.
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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.