2026 ICD-10-CM Diagnosis Code Z00Encounter for general examination without complaint, suspected or reported diagnosis

ICD-10-CM Codes›Z00–Z99›Z00-Z13›Z00

ICD-10-CM Z00
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

Z00 is a non-billable ICD-10-CM category code for encounter for general examination without complaint, suspected or reported diagnosis, so it cannot be submitted on claims. Use a more specific code from this category instead, such as Z00.00, Z00.01, Z00.110, and Z00.111.

Code Identity

ICD-10-CM Code
Z00
Billable Status
No — Non-Billable Category
Code Describes
Encounter for general examination without complaint, suspected or reported diagnosis
Short Description
Encntr for general exam w/o complaint, susp or reprtd dx
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
CategoryZ00Encounter for general examination without complaint, suspected or reported diagnosis
This CodeZ00Encounter for general examination without complaint, suspected or reported diagnosis

Specific Coding for Encntr for general exam w/o complaint, susp or reprtd dxOverview

Non-specific codes like Z00 require more characters. Use one of these billable codes instead:

  • Z00.0 for Encounter for general adult medical examination

  • Use Z00.00 for Encounter for general adult medical examination without abnormal findings

  • Use Z00.01 for Encounter for general adult medical examination with abnormal findings

  • Z00.1 for Encounter for newborn, infant and child health examinations

  • Z00.11 for Newborn health examination

  • Z00.12 for Encounter for routine child health examination

  • Use Z00.2 for Encounter for examination for period of rapid growth in childhood

  • Use Z00.3 for Encounter for examination for adolescent development state

  • Use Z00.5 for Encounter for examination of potential donor of organ and tissue

  • Use Z00.6 for Encounter for examination for normal comparison and control in clinical research program

  • Z00.7 for Encounter for examination for period of delayed growth in childhood

  • Use Z00.70 for Encounter for examination for period of delayed growth in childhood without abnormal findings

  • Use Z00.71 for Encounter for examination for period of delayed growth in childhood with abnormal findings

  • Use Z00.8 for Encounter for other general examination

Tabular List NotesGuidance

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

Type 1 Excludes

  • encounter for examination for administrative purposes Z02

Type 2 Excludes

  • encounter for pre-procedural examinations Z01.81
  • special screening examinations Z11 Z13

Patient EducationClinical

Health Checkup

Regular checkups with your health care provider are different from appointments for sickness or injury. These checkups include physical exams as well as preventive care. Preventative care may include:

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

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 Z00Overview

Is Z00 a billable code?

No. This is a category header that groups the codes for encounter for general examination without complaint, suspected or reported diagnosis, and headers cannot be submitted on claims. Claims for encounter for general examination without complaint, suspected or reported diagnosis need a more specific code from this category, such as Z00.00, Z00.01, and Z00.110.