A9900 Supply/accessory/service
Also known as: DME supply, medical equipment supply
Durable medical equipment (DME) supply, accessory, or service, not otherwise classified, providing coverage for miscellaneous equipment-related items.
In Plain Language
medical equipment or supplies
Clinical Context
Used for billing of equipment-related items, accessories, or services that do not fit into more specific DME categories and are medically necessary.
RVU Information
CPT A9900 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 A9900?
CPT A9900 (Supply/accessory/service) is a A Codes code. Durable medical equipment (DME) supply, accessory, or service, not otherwise classified, providing coverage for miscellaneous equipment-related items.
Does Medicare cover A9900?
Medicare coverage for A9900 depends on medical necessity and applicable Local Coverage Determinations (LCDs). Used for billing of equipment-related items, accessories, or services that do not fit into more specific DME categories and are medically necessary. A physician order is typically required.
When is CPT A9900 used?
Used for billing of equipment-related items, accessories, or services that do not fit into more specific DME categories and are medically necessary.
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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.