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ICD-10-CM 2027 diagnosis code

Z87.79Personal history of other (corrected) congenital malformations

Not billable — use a more specific code

Z87.79 is a header code, so it can't be reported by itself. Choose one of the 2 more specific codes beneath it.Short description: Personal history of oth (corrected) congenital malformations

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 Z87.79

Z87.79 is the ICD-10-CM diagnosis code for personal history of other (corrected) congenital malformations. It belongs to category Z87 (personal history of other diseases and conditions), 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 Z87.7, choose Z87.79 (other (corrected) congenital malformations) only when documentation doesn't support a more specific option: of genitourinary system (Z87.71), of nervous system and sense organs (Z87.72), of digestive system (Z87.73), of heart and circulatory system (Z87.74), of respiratory system (Z87.75) and of integument, limbs and musculoskeletal system (Z87.76).

To report this condition, pick the subcode that matches the documentation: Z87.790 (neck) and Z87.798 (malformations).

Code first: any follow-up examination after treatment (Z09).

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 Z87.79

Notes that apply from higher levels

Instructions written at a parent level also apply to Z87.79.

› From Z87.7 Personal history of (corrected) congenital malformations
Excludes2
  • congenital malformations that have been partially corrected or repaired but which still require medical treatment - code to condition
  • other postprocedural states (Z98.-)
  • personal history of medical treatment (Z92.-)
  • presence of cardiac and vascular implants and grafts (Z95.-)
  • presence of other devices (Z97.-)
  • presence of other functional implants (Z96.-)
  • transplanted organ and tissue status (Z94.-)
› From Z87 Personal history of other diseases and conditions
Code first
  • any follow-up examination after treatment (Z09)

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 Z87.79

Is Z87.79 billable?

No. Z87.79 is a header code. Report one of its more specific subcodes instead.