Z44 — Encounter for fitting and adjustment of external prosthetic device

Not billable

Is Z44 billable?

No — Z44 is a non-billable header code. Z44 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 26 billable codes beneath Z44.

Billable codes under this header

Z44 at a glance

Code	Z44
Description	Encounter for fitting and adjustment of external prosthetic device
Billable	No — header code
Code set	ICD-10-CM FY2027
Valid for encounters	October 1, 2026 – September 30, 2027

Excludes1 — never code together

The conditions below can never be reported together with Z44 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

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

Includes

Conditions classified to Z44.

removal or replacement of external prosthetic device

Excludes2 — not included here — inherited from Z40-Z53

The conditions below are not part of Z44, but a patient may have both at the same time. When documentation supports it, Z44 and the excluded code may both be reported.

follow-up examination for medical surveillance after treatment (Z08-Z09)

What codes fall under Z44? (6)

How long has Z44 existed?

Z44 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.

Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.