A6404 Sterile gauze > 48 square in
Also known as: sterile gauze pad, large sterile gauze
Sterile gauze dressing measuring greater than 48 square inches for large wound coverage.
In Plain Language
sterile gauze cloth for large wounds
Clinical Context
Applied to large surgical wounds or extensive traumatic injuries. Sterile material maintains wound cleanliness.
RVU Information
CPT A6404 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 A6404?
CPT A6404 (Sterile gauze > 48 square in) is a A Codes code. Sterile gauze dressing measuring greater than 48 square inches for large wound coverage.
Does Medicare cover A6404?
Medicare coverage for A6404 depends on medical necessity and applicable Local Coverage Determinations (LCDs). Applied to large surgical wounds or extensive traumatic injuries. Sterile material maintains wound cleanliness. A physician order is typically required.
When is CPT A6404 used?
Applied to large surgical wounds or extensive traumatic injuries. Sterile material maintains wound cleanliness.
Track This Code in RVU Edge
Log procedures, calculate wRVUs, and benchmark against national 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.