ICD-10-CM 2027 diagnosis code
Z44Encounter for fitting and adjustment of external prosthetic device
Z44 is a header code, so it can't be reported by itself. Choose one of the 6 more specific codes beneath it.Short description: Encounter for fit/adjst of external prosthetic device
Code unchanged since ICD-10-CM took effect on October 1, 2015. Source: official FY2027 ICD-10-CM release from CDC/NCHS and CMS. Page updated September 29, 2026. About our data
About Z44
Z44 is the ICD-10-CM diagnosis code for encounter for fitting and adjustment of external prosthetic device. It belongs to block Z40-Z53 (Encounters for other specific health care) and chapter 21 (factors influencing health status and contact with health services). It is a header code, so it can't be reported by itself; one of its 6 subcodes must be used instead.
To report this condition, pick the subcode that matches the documentation: Z44.0 (arm), Z44.1 (leg), Z44.2 (eye), Z44.3 (prosthesis), Z44.8 (devices) and Z44.9 (device).
Don't report Z44 together with the conditions in its Excludes1 note: malfunction or other complications of device - see Alphabetical Index and presence of prosthetic device (Z97.-).
It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.
Specific codes under Z44
- Z44.0Encounter for fitting and adjustment of artificial arm
- Z44.1Encounter for fitting and adjustment of artificial leg
- Z44.2Encounter for fitting and adjustment of artificial eye
- Z44.3Encounter for fitting and adjustment of external breast prosthesis
- Z44.8Encounter for fitting and adjustment of other external prosthetic devicesBillable
- Z44.9Encounter for fitting and adjustment of unspecified external prosthetic deviceBillable
Coding notes
- removal or replacement of external prosthetic device
- malfunction or other complications of device - see Alphabetical Index
- presence of prosthetic device (Z97.-)
Notes that apply from higher levels
Instructions written at a parent level also apply to Z44.
Broader instructions also apply from Z40-Z53 Encounters for other specific health care and Chapter 21: Factors influencing health status and contact with health services.
Codes whose notes reference Z44
Code history
- 2016
- 2017
- 2018
- 2019
- 2020
- 2021
- 2022
- 2023
- 2024
- 2025
- 2026
- 2027
- FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
- No changes since FY2016.
Common questions about Z44
Is Z44 billable?
- No. Z44 is a header code. Report one of its more specific subcodes instead.