MCMCB Pro
Z48.22

Z48.22Encounter for aftercare following kidney transplant

Billable / specific codeICD-10-CMPOA exempt

Z48.22 is a billable, specific ICD-10-CM code for encounter for aftercare following kidney transplant. It is valid for submission on a claim.

Risk adjustment

Z48.22 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

Z48.22 is named in 43 Medicare coverage policies 43 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

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How Z48.22 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to Z48.22.

  • Aftercarefollowing surgeryorgan transplantkidney

Related codes at this level

Codes that share Z48.2. If Z48.22 is not quite right, the correct code is usually one of these.

Questions about Z48.22

Is Z48.22 a billable ICD-10-CM code?
Yes. Z48.22 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does Z48.22 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.