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ICD-10-CM 2027 diagnosis code

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

✓ Billable / specificPOA exempt

Z44.8 is a valid, billable ICD-10-CM code for encounter for fitting and adjustment of other external prosthetic devices. It can be reported on claims for dates of service from October 1, 2026 – September 30, 2027.Short description: Encounter for fit/adjst of external prosthetic devices

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 Z44.8

Z44.8 is the ICD-10-CM diagnosis code for encounter for fitting and adjustment of other external prosthetic devices. It belongs to category Z44 (encounter for fitting and adjustment of external prosthetic device), block Z40-Z53 (Encounters for other specific health care) and chapter 21 (factors influencing health status and contact with health services). It is billable, so it can be reported on its own for dates of service from October 1, 2026 through September 30, 2027.

Within Z44, choose Z44.8 (other external prosthetic devices) only when documentation doesn't support a more specific option: artificial arm (Z44.0), artificial leg (Z44.1), artificial eye (Z44.2), external breast prosthesis (Z44.3) and unspecified external prosthetic device (Z44.9).

It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.

In MS-DRG v44.0, it is part of the grouping logic for DRG 945 (Rehabilitation with CC/MCC, relative weight 1.4749) and DRG 946 (Rehabilitation without CC/MCC, relative weight 1.1051), in MDC 23 (Factors Influencing Health Status and Other Contacts with Health Services), as a principal or secondary diagnosis. The DRG a claim lands in depends on the principal diagnosis, procedures and any CC/MCC secondary diagnoses.

It is exempt from present-on-admission (POA) reporting, so no POA indicator is required.

It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.

Before ICD-10, this condition was coded in ICD-9-CM as V52.8 (fitting and adjustment of other specified prosthetic device).

Notes that apply from higher levels

Instructions written at a parent level also apply to Z44.8.

› From Z44 Encounter for fitting and adjustment of external prosthetic device
Includes
  • removal or replacement of external prosthetic device
Excludes1
  • malfunction or other complications of device - see Alphabetical Index
  • presence of prosthetic device (Z97.-)

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.

Alphabetic index entries

7 entries

Terms in the official ICD-10-CM index that lead to Z44.8.

MS-DRG v44.0 grouping

All DRGs →

Inpatient MS-DRGs this diagnosis can group to, as the principal or a secondary diagnosis, depending on the rest of the claim.

MDC 23 · Factors Influencing Health Status and Other Contacts with Health Services

ICD-9-CM equivalent

Converter →
  • V52.8Fitting and adjustment of other specified prosthetic deviceapproximate

From the CMS 2018 General Equivalence Mappings (GEMs), the final GEMs release.

Code history

  1. 2016
  2. 2017
  3. 2018
  4. 2019
  5. 2020
  6. 2021
  7. 2022
  8. 2023
  9. 2024
  10. 2025
  11. 2026
  12. 2027
  • FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
  • No changes since FY2016.

Common questions about Z44.8

Is Z44.8 billable?

Yes. Z44.8 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).

Can Z44.8 be used as a principal diagnosis?

Yes. The Medicare Code Editor doesn't restrict Z44.8 as a principal diagnosis.

Is Z44.8 a CC or MCC?

No. Z44.8 is neither a CC nor an MCC under MS-DRG v44.0.

What DRG does Z44.8 group to?

Z44.8 is used in the MS-DRG v44.0 logic for MS-DRG 945 (Rehabilitation with CC/MCC) and MS-DRG 946 (Rehabilitation without CC/MCC). Which one applies depends on whether it is the principal diagnosis and on the rest of the claim.

What is the ICD-9 code for Z44.8?

The CMS General Equivalence Mappings map Z44.8 to ICD-9-CM V52.8.