A9900 HCPCS Level II code: Miscellaneous dme supply, accessory, and/or service component of another hcpcs code
A9900 is the HCPCS code for “Miscellaneous dme supply, accessory, and/or service component of another hcpcs code” in CMS’s October 2026 release, in effect from Oct 1, 2026.
Official description
A9900Miscellaneous dme supply, accessory, and/or service component of another hcpcs code
Short description: Supply/accessory/service
HCPCS · United States
Medicare details
The indicators CMS publishes with A9900 in its October 2026 file. They describe Medicare’s handling, not another payer’s.
- Medicare coverage
- Carrier judgment
- Medicare pricing
- DMEPOS fee schedule – Carrier priced (e.g., not otherwise classified, individual determination, carrier discretion, gap-filled amounts)
- Type of service
- Other medical items or services
- BETOS category
- Other DME
- Added
- Jan 1, 2000
Where A9900 sits
- 1A codesAmbulance, supplies and miscellaneous
- 2Active code A9900Miscellaneous dme supply, accessory, and/or service component of another hcpcs code
Source and release
- Data release
- HCPCS Level II · October 2026
- Effective date
- Oct 1, 2026
- Publisher
- CMS
This page is built from the HCPCS Level II catalog that Vero Codes reads when it suggests codes: Centers for Medicare & Medicaid Services’s October 2026 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.
Frequently asked questions
What does HCPCS code A9900 mean?
A9900 is the HCPCS code for “Miscellaneous dme supply, accessory, and/or service component of another hcpcs code” in CMS’s HCPCS Level II October 2026 release.
Does Medicare cover A9900?
CMS lists A9900’s Medicare coverage as “Carrier judgment” and its pricing as “DMEPOS fee schedule – Carrier priced (e.g., not otherwise classified, individual determination, carrier discretion, gap-filled amounts)”. Coverage and payment still depend on the patient, the setting, the documentation and the payer.
Which HCPCS Level II release does this page use?
It uses CMS’s October 2026 release, in effect from Oct 1, 2026 to Dec 31, 2026. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.
Codes beside A9900
All A codesA9616Gallium ga-68 gozetotide (gozellix), diagnostic, 1 millicurieA9697Injection, carboxydextran-coated superparamagnetic iron oxide, per study doseA9698Non-radioactive contrast imaging material, not otherwise classified, per studyA9699Radiopharmaceutical, therapeutic, not otherwise classifiedA9700Supply of injectable contrast material for use in echocardiography, per studyA9800Gallium ga-68 gozetotide, diagnostic, (locametz), 1 millicurieA9901Dme delivery, set up, and/or dispensing service component of another hcpcs codeA9999Miscellaneous dme supply or accessory, not otherwise specified