A4929 — Tourniquet for dialysis, each
A4929 is a HCPCS Level II code for tourniquet for dialysis, each. It belongs to the Transportation, Medical & Surgical Supplies, Administrative section. Whether Medicare pays it depends on the coverage rule below.
Medicare coverage: Special coverage instructions apply
There are published conditions attached to this code. Check the applicable coverage policy before billing it: the code being valid is not the same as the service being covered.
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 A4929 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
- 0 — never payable MAI 3 — Date of Service Edit: Clinical · CMS Policy
- outpatient
- 0 — never payable MAI 3 — Date of Service Edit: Clinical · CMS Policy
- DME supplier
- 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 A4929
- Long descriptor
- Tourniquet for dialysis, each
- Short descriptor
- Tourniquet for dialysis, ea
- Added
- January 1, 2002
- BETOS
- P9B
- Pricing indicator
- 00 — Not priced by Part B
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.
Service not separately priced by Part B — not covered, bundled into another service, or used by Part A only.
Codes adjacent to A4929
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If A4929 is not quite right, the correct code is very often within a few positions of it.
- A4860Disposable catheter tips for peritoneal dialysis, per 10
- A4870Plumbing and/or electrical work for home hemodialysis equipment
- A4890Contracts, repair and maintenance, for hemodialysis equipment
- A4911Drain bag/bottle, for dialysis, each
- A4913Miscellaneous dialysis supplies, not otherwise specified
- A4918Venous pressure clamp, for hemodialysis, each
- A4927Gloves, non-sterile, per 100
- A4928Surgical mask, per 20
- A4930Gloves, sterile, per pair
- A4931Oral thermometer, reusable, any type, each
- A4932Rectal thermometer, reusable, any type, each
- A5051Ostomy pouch, closed; with barrier attached (1 piece), each
- A5052Ostomy pouch, closed; without barrier attached (1 piece), each
- A5053Ostomy pouch, closed; for use on faceplate, each
- A5054Ostomy pouch, closed; for use on barrier with flange (2 piece), each
- A5055Stoma cap
Questions about A4929
What is HCPCS code A4929?
A4929 is a HCPCS Level II code for tourniquet for dialysis, each. It sits in the Transportation, Medical & Surgical Supplies, Administrative section.
Does Medicare cover A4929?
The CMS HCPCS file marks A4929 as "Special coverage instructions apply". There are published conditions attached to this code. Check the applicable coverage policy before billing it: the code being valid is not the same as the service being covered.
How is A4929 paid under the physician fee schedule?
A4929 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.