HCPCS Level II · Transportation, medical and surgical supplies
A4771Serum clotting time tube, for dialysis, per 50
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Source: CMS HCPCS quarterly update, October 2026. Page updated September 29, 2026.
About A4771
A4771 is an HCPCS Level II code in the A series (transportation, medical and surgical supplies), describing serum clotting time tube, for dialysis, per 50.
It was added to HCPCS effective 01/01/1986, and its current record took effect 01/01/2015.
Its Medicare coverage code is "D", meaning special Medicare coverage instructions apply.
Details
- Short description
- Serum clotting time tube
- Date added
- 01/01/1986
- Action effective
- 01/01/2015
- BETOS
- P9B
Related A47xx codes
- A4706Bicarbonate concentrate, solution, for hemodialysis, per gallon
- A4707Bicarbonate concentrate, powder, for hemodialysis, per packet
- A4708Acetate concentrate solution, for hemodialysis, per gallon
- A4709Acid concentrate, solution, for hemodialysis, per gallon
- A4714Treated water (deionized, distilled, or reverse osmosis) for peritoneal dialysis, per gallon
- A4719"y set" tubing for peritoneal dialysis
- A4720Dialysate solution, any concentration of dextrose, fluid volume greater than 249 cc, but less than or equal to 999 cc, for peritoneal dialysis
- A4721Dialysate solution, any concentration of dextrose, fluid volume greater than 999 cc but less than or equal to 1999 cc, for peritoneal dialysis
- A4722Dialysate solution, any concentration of dextrose, fluid volume greater than 1999 cc but less than or equal to 2999 cc, for peritoneal dialysis
- A4723Dialysate solution, any concentration of dextrose, fluid volume greater than 2999 cc but less than or equal to 3999 cc, for peritoneal dialysis
- A4724Dialysate solution, any concentration of dextrose, fluid volume greater than 3999 cc but less than or equal to 4999 cc, for peritoneal dialysis
- A4725Dialysate solution, any concentration of dextrose, fluid volume greater than 4999 cc but less than or equal to 5999 cc, for peritoneal dialysis
Common questions about A4771
Is HCPCS A4771 still valid?
- Yes. A4771 is active in the CMS October 2026 HCPCS file.
Does Medicare cover A4771?
- Its coverage code is "D": special Medicare coverage instructions apply. Check the local coverage determination for your region.