Z44.8 — Encounter for fitting and adjustment of other external prosthetic devices

Billable

Is Z44.8 billable?

Yes — Z44.8 is billable for FY2027. Z44.8 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. Z44.8 may be submitted for encounters from October 1, 2026 through September 30, 2027.

Z44.8 at a glance

Code	Z44.8
Description	Encounter for fitting and adjustment of other external prosthetic devices
Billable	Yes
Code set	ICD-10-CM FY2027
Valid for encounters	October 1, 2026 – September 30, 2027

Which MS-DRGs does Z44.8 group to?

Z44.8 sits in MDC 23 and helps define the logic of 2 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.

945Rehabilitation with CC/MCCmedical
946Rehabilitation without CC/MCCmedical

How is Z44.8 listed in the Alphabetic Index?

These are the routes through the Alphabetic Index that lead to Z44.8. They show the wording a clinician may have documented, which often differs from the Tabular description.

Fitting › prosthesis › specified NEC (and adjustment) (of)
Admission › adjustment › prosthesis › specified NEC (for)
Admission › fitting › prosthesis › specified type NEC (for)
Fitting › device NOS › prosthetic › specified NEC (and adjustment) (of)
Removal › external › prosthesis, prosthetic device › specified NEC (from) (of)
Admission › adjustment › device NEC › prosthetic › specified type NEC (for)
Encounter › removal › external › prosthesis, prosthetic device › specified NEC (with health service) (for)

Excludes1 — never code together — inherited from Z44

The conditions below can never be reported together with Z44.8 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.-)

Excludes2 — not included here — inherited from Z40-Z53

The conditions below are not part of Z44.8, but a patient may have both at the same time. When documentation supports it, Z44.8 and the excluded code may both be reported.

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

How long has Z44.8 existed?

Z44.8 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.