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ICD-10-CM 2027 diagnosis code

Z80Family history of primary malignant neoplasm

Not billable — use a more specific code

Z80 is a header code, so it can't be reported by itself. Choose one of the 10 more specific codes beneath it.

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 Z80

Z80 is the ICD-10-CM diagnosis code for family history of primary malignant neoplasm. It belongs to 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 10 subcodes must be used instead.

To report this condition, pick the subcode that matches the documentation: Z80.0 (organs), Z80.1 (lung), Z80.2 (organs), Z80.3 (breast), Z80.4 (organs), Z80.5 (tract), Z80.6 (leukemia), Z80.7 (tissues) and 2 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 Z80

Notes that apply from higher levels

Instructions written at a parent level also apply to Z80.

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.

Codes whose notes reference Z80

  • Z12Use additional code
  • Z15Use additional code

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 Z80

Is Z80 billable?

No. Z80 is a header code. Report one of its more specific subcodes instead.