2026 ICD-10-CM Diagnosis Code Z13Encounter for screening for other diseases and disorders

ICD-10-CM Codes›Z00–Z99›Z00-Z13›Z13

ICD-10-CM Z13
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

Z13 is a non-billable ICD-10-CM category code for encounter for screening for other diseases and disorders, so it cannot be submitted on claims. Use a more specific code from this category instead, such as Z13.0, Z13.1, Z13.21, and Z13.220.

Code Identity

ICD-10-CM Code
Z13
Billable Status
No — Non-Billable Category
Code Describes
Encounter for screening for other diseases and disorders
Chapter
Z00-Z13
Persons encountering health services for examinations

Code Classification

ChapterZ00–Z99Factors influencing health status and contact with health services
SectionZ00-Z13Persons encountering health services for examinations
CategoryZ13Encounter for screening for other diseases and disorders
This CodeZ13Encounter for screening for other diseases and disorders

Specific Coding for Encounter for screening for other diseases and disordersOverview

Non-specific codes like Z13 require more characters. Use one of these billable codes instead:

  • Use Z13.0 for Encounter for screening for diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism

  • Use Z13.1 for Encounter for screening for diabetes mellitus

  • Z13.2 for Encounter for screening for nutritional, metabolic and other endocrine disorders

  • Use Z13.21 for Encounter for screening for nutritional disorder

  • Z13.22 for Encounter for screening for metabolic disorder

  • Use Z13.29 for Encounter for screening for other suspected endocrine disorder

  • Z13.3 for Encounter for screening examination for mental health and behavioral disorders

  • Use Z13.30 for Encounter for screening examination for mental health and behavioral disorders, unspecified

  • Use Z13.31 for Encounter for screening for depression

  • Use Z13.32 for Encounter for screening for maternal depression

  • Use Z13.39 for Encounter for screening examination for other mental health and behavioral disorders

  • Z13.4 for Encounter for screening for certain developmental disorders in childhood

  • Use Z13.40 for Encounter for screening for unspecified developmental delays

  • Use Z13.41 for Encounter for autism screening

  • Use Z13.42 for Encounter for screening for global developmental delays (milestones)

  • Use Z13.49 for Encounter for screening for other developmental delays

  • Use Z13.5 for Encounter for screening for eye and ear disorders

  • Use Z13.6 for Encounter for screening for cardiovascular disorders

  • Z13.7 for Encounter for screening for genetic and chromosomal anomalies

  • Use Z13.71 for Encounter for nonprocreative screening for genetic disease carrier status

  • Use Z13.79 for Encounter for other screening for genetic and chromosomal anomalies

  • Z13.8 for Encounter for screening for other specified diseases and disorders

  • Z13.81 for Encounter for screening for digestive system disorders

  • Z13.82 for Encounter for screening for musculoskeletal disorder

  • Use Z13.83 for Encounter for screening for respiratory disorder NEC

  • Use Z13.84 for Encounter for screening for dental disorders

  • Z13.85 for Encounter for screening for nervous system disorders

  • Use Z13.88 for Encounter for screening for disorder due to exposure to contaminants

  • Use Z13.89 for Encounter for screening for other disorder

  • Use Z13.9 for Encounter for screening, unspecified

Tabular List NotesGuidance

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

Inclusion Terms

  • Screening is the testing for disease or disease precursors in asymptomatic individuals so that early detection and treatment can be provided for those who test positive for the disease.

Type 1 Excludes

  • encounter for diagnostic examination-code to sign or symptom

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 Z13Overview

Is Z13 (Encounter for screening for other diseases and disorders) a billable code?

No. This is a category header that groups the codes for encounter for screening for other diseases and disorders, and headers cannot be submitted on claims. Claims for encounter for screening for other diseases and disorders need a more specific code from this category, such as Z13.0, Z13.1, and Z13.21.