Z44
ICD-10Non-billable categoryEncounter for fit/adjst of external prosthetic device
Official ICD-10-CM descriptor (FY2026)
Encounter for fitting and adjustment of external prosthetic device
Z44 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.
Includes
- removal or replacement of external prosthetic device
Excludes1
Not coded here. An Excludes1 code should never be reported at the same time as the code above it.
- malfunction or other complications of device - see Alphabetical Index
- presence of prosthetic device (Z97.-)
More specific codes under Z44
- Z44.0Encounter for fitting and adjustment of artificial armcategory
- Z44.1Encounter for fitting and adjustment of artificial legcategory
- Z44.2Encounter for fitting and adjustment of artificial eyecategory
- Z44.3Encounter for fit/adjst of external breast prosthesiscategory
- Z44.8Encounter for fit/adjst of external prosthetic devices
- Z44.9Encounter for fit/adjst of unsp external prosthetic device
Where this code sits
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.