A4690 HCPCS Level II code: Dialyzer (artificial kidneys), all types, all sizes, for hemodialysis, each
A4690 is the HCPCS code for “Dialyzer (artificial kidneys), all types, all sizes, for hemodialysis, each” in CMS’s October 2026 release, in effect from Oct 1, 2026.
Official description
A4690Dialyzer (artificial kidneys), all types, all sizes, for hemodialysis, each
Short description: Dialyzer, each
HCPCS · United States
Notes for A4690
As CMS prints them, with any note A4690 takes from the headings above it.
Note
- CMS processing note 0017: SEE INTERMEDIARY MANUAL SECTION 3170.5 FOR COVERAGE INSTRUCTIONS PERTAINING TO E1510-E1600, E1620, E1630-E1699, A4650-A4663, A4690, A4712, A4730-A4870, A4890-A4927.
Medicare details
The indicators CMS publishes with A4690 in its October 2026 file. They describe Medicare’s handling, not another payer’s.
- Medicare coverage
- Special coverage instructions apply
- Medicare pricing
- Service not separately priced by Part B (e.g., services not covered, bundled, used by Part A only, etc.)
- Type of service
- ESRD supplies
- BETOS category
- Dialysis services (Non-Medicare fee schedule)
- Added
- Jan 1, 1986
Where A4690 sits
- 1A codesAmbulance, supplies and miscellaneous
- 2Active code A4690Dialyzer (artificial kidneys), all types, all sizes, for hemodialysis, each
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 A4690 mean?
A4690 is the HCPCS code for “Dialyzer (artificial kidneys), all types, all sizes, for hemodialysis, each” in CMS’s HCPCS Level II October 2026 release.
Does Medicare cover A4690?
CMS lists A4690’s Medicare coverage as “Special coverage instructions apply” and its pricing as “Service not separately priced by Part B (e.g., services not covered, bundled, used by Part A only, etc.)”. 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 A4690
All A codesA4670Automatic blood pressure monitorA4671Disposable cycler set used with cycler dialysis machine, eachA4672Drainage extension line, sterile, for dialysis, eachA4673Extension line with easy lock connectors, used with dialysisA4674Chemicals/antiseptics solution used to clean/sterilize dialysis equipment, per 8 ozA4680Activated carbon filter for hemodialysis, eachA4706Bicarbonate concentrate, solution, for hemodialysis, per gallonA4707Bicarbonate concentrate, powder, for hemodialysis, per packetA4708Acetate concentrate solution, for hemodialysis, per gallonA4709Acid concentrate, solution, for hemodialysis, per gallonA4714Treated water (deionized, distilled, or reverse osmosis) for peritoneal dialysis, per gallonA4719"y set" tubing for peritoneal dialysis