2026 ICD-10-CM Diagnosis Code Z78Other specified health status

ICD-10-CM CodesZ00–Z99Z77-Z99Z78

ICD-10-CM Z78
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

Z78 is a non-billable ICD-10-CM category code for other specified health status, so it cannot be submitted on claims. Use a more specific code from this category instead, such as Z78.0, Z78.1, and Z78.9.

Code Identity

ICD-10-CM Code
Z78
Billable Status
No — Non-Billable Category
Code Describes
Other specified health status
Chapter
Z77-Z99
Persons with potential health hazards related to family and personal history and certain conditions influencing health status

Code Classification

ChapterZ00–Z99Factors influencing health status and contact with health services
SectionZ77-Z99Persons with potential health hazards related to family and personal history and certain conditions influencing health status
CategoryZ78Other specified health status
This CodeZ78Other specified health status

Specific Coding for Other specified health statusOverview

Non-specific codes like Z78 require more characters. Use one of these billable codes instead:

  • Use Z78.0 for Asymptomatic menopausal state

  • Use Z78.1 for Physical restraint status

  • Use Z78.9 for Other specified health status

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Type 2 Excludes

  • asymptomatic human immunodeficiency virus HIV infection status Z21
  • postprocedural status Z93 Z99
  • sex reassignment status Z87.890

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About Z78Overview

Is Z78 (Other specified health status) a billable code?

No. This is a category header that groups the codes for other specified health status, and headers cannot be submitted on claims. Claims for other specified health status need a more specific code from this category, such as Z78.0, Z78.1, and Z78.9.