Encounter for fitting and adjustment of external prosthetic device (Z44) ICD-10-CM
The Z44 code range covers encounter for fitting and adjustment of external prosthetic device with 37 ICD-10-CM diagnosis codes. 26 of them are billable and valid for claim submission in fiscal year 2026, and the category headers group them but cannot themselves be billed.
Includes
This note appears immediately under a three character code title to further define, or give examples of, the content of the category.
- removal or replacement of external prosthetic device
Type 1 Excludes
A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
- malfunction or other complications of device - see Alphabetical Index
- presence of prosthetic device Z97
Codes in the Z44 Range 37 codes · 26 billable
- Z44 Encounter for fitting and adjustment of external prosthetic deviceNon-billable
- Z44.0 Encounter for fitting and adjustment of artificial armNon-billable
- Z44.00 Encounter for fitting and adjustment of unspecified artificial armNon-billable
- Z44.001 Encounter for fitting and adjustment of unspecified right artificial arm
- Z44.002 Encounter for fitting and adjustment of unspecified left artificial arm
- Z44.009 Encounter for fitting and adjustment of unspecified artificial arm, unspecified arm
- Z44.01 Encounter for fitting and adjustment of complete artificial armNon-billable
- Z44.011 Encounter for fitting and adjustment of complete right artificial arm
- Z44.012 Encounter for fitting and adjustment of complete left artificial arm
- Z44.019 Encounter for fitting and adjustment of complete artificial arm, unspecified arm
- Z44.02 Encounter for fitting and adjustment of partial artificial armNon-billable
- Z44.021 Encounter for fitting and adjustment of partial artificial right arm
- Z44.022 Encounter for fitting and adjustment of partial artificial left arm
- Z44.029 Encounter for fitting and adjustment of partial artificial arm, unspecified arm
- Z44.1 Encounter for fitting and adjustment of artificial legNon-billable
- Z44.10 Encounter for fitting and adjustment of unspecified artificial legNon-billable
- Z44.101 Encounter for fitting and adjustment of unspecified right artificial leg
- Z44.102 Encounter for fitting and adjustment of unspecified left artificial leg
- Z44.109 Encounter for fitting and adjustment of unspecified artificial leg, unspecified leg
- Z44.11 Encounter for fitting and adjustment of complete artificial legNon-billable
- Z44.111 Encounter for fitting and adjustment of complete right artificial leg
- Z44.112 Encounter for fitting and adjustment of complete left artificial leg
- Z44.119 Encounter for fitting and adjustment of complete artificial leg, unspecified leg
- Z44.12 Encounter for fitting and adjustment of partial artificial legNon-billable
- Z44.121 Encounter for fitting and adjustment of partial artificial right leg
- Z44.122 Encounter for fitting and adjustment of partial artificial left leg
- Z44.129 Encounter for fitting and adjustment of partial artificial leg, unspecified leg
- Z44.2 Encounter for fitting and adjustment of artificial eyeNon-billable
- Z44.20 Encounter for fitting and adjustment of artificial eye, unspecified
- Z44.21 Encounter for fitting and adjustment of artificial right eye
- Z44.22 Encounter for fitting and adjustment of artificial left eye
- Z44.3 Encounter for fitting and adjustment of external breast prosthesisNon-billable
- Z44.30 Encounter for fitting and adjustment of external breast prosthesis, unspecified breast
- Z44.31 Encounter for fitting and adjustment of external right breast prosthesis
- Z44.32 Encounter for fitting and adjustment of external left breast prosthesis
- Z44.8 Encounter for fitting and adjustment of other external prosthetic devices
- Z44.9 Encounter for fitting and adjustment of unspecified external prosthetic device
About the Z44 Code Range
The ICD-10 code section Z44 is used for medical encounters involving the fitting and adjustment of external prosthetic devices. These codes specify different types of prostheses, including artificial arms, legs, eyes, and breast prostheses.
This group of codes helps healthcare providers accurately document visits related to the application and fine-tuning of external prosthetic devices. For instance, the ICD-10 code for fitting and adjustment of an artificial arm is coded under Z44.0, with further distinctions for right or left arm and whether the prosthesis is complete or partial. Similarly, codes like Z44.1 cover artificial legs, while Z44.2 address artificial eyes. The section also includes codes for external breast prostheses under Z44.3, as well as other unspecified external prosthetic devices (Z44.8 and Z44.9). These codes enable precise classification for appointments ensuring appropriate billing and clinical documentation for prosthetic fitting and adjustments.
Questions About This Page
How many billable codes are in the Z44 range?
Of the 37 codes in this range, 26 are billable and valid for claim submission from October 1, 2025 through September 30, 2026. Category header codes group them but cannot be reported on claims.
What does the Z44 range classify?
The range classifies encounter for fitting and adjustment of external prosthetic device. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2026 ICD-10-CM Tabular List and order file, effective October 1, 2025 through September 30, 2026.
