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Z85.048

Z85.048Personal history of other malignant neoplasm of rectum, rectosigmoid junction, and anus

Billable / specific codeICD-10-CMPOA exempt

Z85.048 is a billable, specific ICD-10-CM code for personal history of other malignant neoplasm of rectum, rectosigmoid junction, and anus. It is valid for submission on a claim.

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Conditions classifiable to C19-C21

Risk adjustment

Z85.048 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

Z85.048 is named in 37 Medicare coverage policies 37 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 Z85.048 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 Z85.048.

  • Historypersonalmalignant neoplasmanus NEC
  • Historypersonalmalignant neoplasmrectosigmoid junction NEC
  • Historypersonalmalignant neoplasmrectum NEC

Related codes at this level

Codes that share Z85.04. If Z85.048 is not quite right, the correct code is usually one of these.

Questions about Z85.048

Is Z85.048 a billable ICD-10-CM code?
Yes. Z85.048 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does Z85.048 sit in the tabular list?
Factors influencing health status and contact with health services (Z00-Z99), in the block Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99).
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.