A4670 — Automatic blood pressure monitor
A4670 is a HCPCS Level II code for automatic blood pressure monitor. It belongs to the Transportation, Medical & Surgical Supplies, Administrative section. Medicare does not pay it — see the coverage note below before you bill it.
Medicare coverage: Non-covered by Medicare
Medicare does not cover the item or service this code describes.
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 statusN
Non-covered service. Medicare does not cover 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 A4670 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 A4670
- Long descriptor
- Automatic blood pressure monitor
- Short descriptor
- Automatic bp monitor, dial
- Added
- January 1, 1986
- 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 A4670
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If A4670 is not quite right, the correct code is very often within a few positions of it.
- A4649Surgical supply; miscellaneous
- A4650Implantable radiation dosimeter, each
- A4651Calibrated microcapillary tube, each
- A4652Microcapillary tube sealant
- A4653Peritoneal dialysis catheter anchoring device, belt, each
- A4657Syringe, with or without needle, each
- A4660Sphygmomanometer/blood pressure apparatus with cuff and stethoscope
- A4663Blood pressure cuff only
- A4671Disposable cycler set used with cycler dialysis machine, each
- A4672Drainage extension line, sterile, for dialysis, each
- A4673Extension line with easy lock connectors, used with dialysis
- A4674Chemicals/antiseptics solution used to clean/sterilize dialysis equipment, per 8 oz
- A4680Activated carbon filter for hemodialysis, each
- A4690Dialyzer (artificial kidneys), all types, all sizes, for hemodialysis, each
- A4706Bicarbonate concentrate, solution, for hemodialysis, per gallon
- A4707Bicarbonate concentrate, powder, for hemodialysis, per packet
Questions about A4670
What is HCPCS code A4670?
A4670 is a HCPCS Level II code for automatic blood pressure monitor. It sits in the Transportation, Medical & Surgical Supplies, Administrative section.
Does Medicare cover A4670?
The CMS HCPCS file marks A4670 as "Non-covered by Medicare". Medicare does not cover the item or service this code describes.
How is A4670 paid under the physician fee schedule?
A4670 carries PFS status code N. Non-covered service. Medicare does not cover it.