A9999 — Miscellaneous dme supply or accessory, not otherwise specified
A9999 is a HCPCS Level II code for miscellaneous dme supply or accessory, not otherwise specified. It belongs to the Transportation, Medical & Surgical Supplies, Administrative section. Whether Medicare pays it depends on the coverage rule below.
Medicare coverage: Carrier judgment
Coverage is decided by your Medicare contractor, not by national policy. Whether this is paid depends on the LCD for your jurisdiction and on what the documentation supports.
From the coverage field of the CMS Alpha-Numeric HCPCS File, release 2026Q3-Jul. This states Medicare’s position on the code, not on your particular claim.
Physician fee schedule statusX
Statutory exclusion. The item or service is not within the statutory definition of 'physician services', so the fee schedule never pays it.
Global period: XXX
Want the dollar amount for your locality? The fee calculator applies your GPCI and the current conversion factor.
Medically Unlikely Edits — units per day
The most units of A9999 Medicare will pay on one date of service. Bill more on a single line and it is denied. The limit is not the same in every setting, so the row that matters is the one matching the claim you are building.
- practitioner
- 1 unit MAI 3 — Date of Service Edit: Clinical · Clinical: CMS Workgroup
- outpatient
- 0 — never payable MAI 3 — Date of Service Edit: Clinical · CMS Policy
The adjudication indicator decides whether exceeding the limit is worth appealing at all: MAI 1 is a line edit you can support with documentation, MAI 3 is a date-of-service edit that is also appealable, and MAI 2 is absolute — no documentation overrides it. CMS MUE 2026Q3.
The CMS record for A9999
- Long descriptor
- Miscellaneous dme supply or accessory, not otherwise specified
- Short descriptor
- Dme supply or accessory, nos
- Added
- January 1, 2004
- BETOS
- D1F
- Pricing indicator
- 46 — DMEPOS
The official wording. This is what the code means.
CMS's 28-character form, which is what shows up on a remittance advice.
When CMS introduced the code.
Berenson-Eggers Type of Service — CMS's own analytic grouping.
Carrier priced — not otherwise classified, individual determination, carrier discretion, or gap-filled amounts.
Codes adjacent to A9999
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If A9999 is not quite right, the correct code is very often within a few positions of it.
- A9616Gallium ga-68 gozetotide (gozellix), diagnostic, 1 millicurie
- A9697Injection, carboxydextran-coated superparamagnetic iron oxide, per study dose
- A9698Non-radioactive contrast imaging material, not otherwise classified, per study
- A9699Radiopharmaceutical, therapeutic, not otherwise classified
- A9700Supply of injectable contrast material for use in echocardiography, per study
- A9800Gallium ga-68 gozetotide, diagnostic, (locametz), 1 millicurie
- A9900Miscellaneous dme supply, accessory, and/or service component of another hcpcs code
- A9901Dme delivery, set up, and/or dispensing service component of another hcpcs code
- B4034Enteral feeding supply kit; syringe fed, per day, includes but not limited to feeding/flushing syringe, administration set tubing, dressings, tape
- B4035Enteral feeding supply kit; pump fed, per day, includes but not limited to feeding/flushing syringe, administration set tubing, dressings, tape
- B4036Enteral feeding supply kit; gravity fed, per day, includes but not limited to feeding/flushing syringe, administration set tubing, dressings, tape
- B4081Nasogastric tubing with stylet
- B4082Nasogastric tubing without stylet
- B4083Stomach tube - levine type
- B4087Gastrostomy/jejunostomy tube, standard, any material, any type, each
- B4088Gastrostomy/jejunostomy tube, low-profile, any material, any type, each
Questions about A9999
What is HCPCS code A9999?
A9999 is a HCPCS Level II code for miscellaneous dme supply or accessory, not otherwise specified. It sits in the Transportation, Medical & Surgical Supplies, Administrative section.
Does Medicare cover A9999?
The CMS HCPCS file marks A9999 as "Carrier judgment". Coverage is decided by your Medicare contractor, not by national policy. Whether this is paid depends on the LCD for your jurisdiction and on what the documentation supports.
How is A9999 paid under the physician fee schedule?
A9999 carries PFS status code X. Statutory exclusion. The item or service is not within the statutory definition of 'physician services', so the fee schedule never pays it.