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ICD-10-CM 2027 diagnosis code

Z85.04Personal history of malignant neoplasm of rectum, rectosigmoid junction, and anus

Not billable — use a more specific code

Z85.04 is a header code, so it can't be reported by itself. Choose one of the 2 more specific codes beneath it.Short description: Prsnl hx of malig neoplm of rectum, rectosig junct, and anus

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 Z85.04

Z85.04 is the ICD-10-CM diagnosis code for personal history of malignant neoplasm of rectum, rectosigmoid junction, and anus. It belongs to category Z85 (personal history of malignant neoplasm), block Z77-Z99 (persons with potential health hazards related to family and personal history and certain conditions influencing health status) and chapter 21 (factors influencing health status and contact with health services). It is a header code, so it can't be reported by itself; one of its 2 subcodes must be used instead.

Within Z85.0 (personal history of malignant neoplasm of digestive organs), Z85.04 is specifically for personal history of malignant neoplasm of rectum, rectosigmoid junction, and anus. Related codes cover unspecified digestive organ (Z85.00), esophagus (Z85.01), stomach (Z85.02), large intestine (Z85.03), liver (Z85.05), small intestine (Z85.06), pancreas (Z85.07) and other digestive organs (Z85.09).

To report this condition, pick the subcode that matches the documentation: Z85.040 (rectum) and Z85.048 (anus).

Code first: any follow-up examination after treatment of malignant neoplasm (Z08).

Use an additional code to identify: alcohol use and dependence (F10.-), exposure to environmental tobacco smoke (Z77.22), history of tobacco dependence (Z87.891), occupational exposure to environmental tobacco smoke (Z57.31), tobacco dependence (F17.-) and 1 more.

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

Specific codes under Z85.04

Notes that apply from higher levels

Instructions written at a parent level also apply to Z85.04.

› From Z85 Personal history of malignant neoplasm
Excludes2
  • personal history of benign neoplasm (Z86.01-)
  • personal history of carcinoma-in-situ (Z86.00-)
Code first
  • any follow-up examination after treatment of malignant neoplasm (Z08)
Use additional code
  • code to identify:
  • alcohol use and dependence (F10.-)
  • exposure to environmental tobacco smoke (Z77.22)
  • history of tobacco dependence (Z87.891)
  • occupational exposure to environmental tobacco smoke (Z57.31)
  • tobacco dependence (F17.-)
  • tobacco use (Z72.0)

Broader instructions also apply from Z77-Z99 Persons with potential health hazards related to family and personal history and certain conditions influencing health status and Chapter 21: Factors influencing health status and contact with health services.

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 Z85.04

Is Z85.04 billable?

No. Z85.04 is a header code. Report one of its more specific subcodes instead.