MCMCB Pro
Z44.30

Z44.30Encounter for fitting and adjustment of external breast prosthesis, unspecified breast

Billable / specific codeICD-10-CMPOA exemptunspecified

Z44.30 is a billable, specific ICD-10-CM code for encounter for fitting and adjustment of external breast prosthesis, unspecified breast. It is valid for submission on a claim.

Risk adjustment

Z44.30 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Medicare coverage

Z44.30 is named in 1 Medicare coverage policy 1 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A56658Billing and Coding: Cosmetic and Reconstructive Surgery

Related codes at this level

Codes that share Z44.3. If Z44.30 is not quite right, the correct code is usually one of these.

Questions about Z44.30

Is Z44.30 a billable ICD-10-CM code?
Yes. Z44.30 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does Z44.30 sit in the tabular list?
Factors influencing health status and contact with health services (Z00-Z99), in the block Encounters for other specific health care (Z40-Z53).
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.