Is Z44.0 a billable ICD-10-CM code?

No. Z44.0 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does Z44.0 sit in the tabular list?

Factors influencing health status and contact with health services (Z00-Z99), in the block Encounters for other specific health care (Z40-Z53).

What cannot be coded together with Z44.0?

Z44.0 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above Z44.0 (Z44) and apply to it just the same.

Z44.0

Z44.0 — Encounter for fitting and adjustment of artificial arm

Non-billable headerICD-10-CM

Z44.0 is a non-billable header ICD-10-CM code for encounter for fitting and adjustment of artificial arm. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes1 inherited from the categories above Z44.0

These are not written on Z44.0, but they bind it: a note on a category applies to every code beneath it. Billing Z44.0 with anything listed here is a denial.

Written on Z44 — Encounter for fitting and adjustment of external prosthetic device

malfunction or other complications of device - see Alphabetical Index
presence of prosthetic device (Z97.-)

Risk adjustment

Z44.0 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Code history

Z44.0 has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.

Code to one of these instead Z44.0

3 child codes. Green means billable.

Related codes at this level

Codes that share Z44. If Z44.0 is not quite right, the correct code is usually one of these.

Questions about Z44.0

Is Z44.0 a billable ICD-10-CM code?: No. Z44.0 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does Z44.0 sit in the tabular list?: Factors influencing health status and contact with health services (Z00-Z99), in the block Encounters for other specific health care (Z40-Z53).
What cannot be coded together with Z44.0?: Z44.0 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above Z44.0 (Z44) and apply to it just the same.