2026 ICD-10-CM Diagnosis Code Z01Encounter for other special examination without complaint, suspected or reported diagnosis

ICD-10-CM CodesZ00–Z99Z00-Z13Z01

ICD-10-CM Z01
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

Z01 is a non-billable ICD-10-CM category code for encounter for other special 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 Z01.00, Z01.01, Z01.020, and Z01.021.

Code Identity

ICD-10-CM Code
Z01
Billable Status
No — Non-Billable Category
Code Describes
Encounter for other special examination without complaint, suspected or reported diagnosis
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
CategoryZ01Encounter for other special examination without complaint, suspected or reported diagnosis
This CodeZ01Encounter for other special examination without complaint, suspected or reported diagnosis

Specific Coding for Encntr for oth sp exam w/o complaint, suspected or reprtd dxOverview

Non-specific codes like Z01 require more characters. Use one of these billable codes instead:

  • Z01.0 for Encounter for examination of eyes and vision

  • Use Z01.00 for Encounter for examination of eyes and vision without abnormal findings

  • Use Z01.01 for Encounter for examination of eyes and vision with abnormal findings

  • Z01.02 for Encounter for examination of eyes and vision following failed vision screening

  • Z01.1 for Encounter for examination of ears and hearing

  • Use Z01.10 for Encounter for examination of ears and hearing without abnormal findings

  • Z01.11 for Encounter for examination of ears and hearing with abnormal findings

  • Use Z01.12 for Encounter for hearing conservation and treatment

  • Z01.2 for Encounter for dental examination and cleaning

  • Use Z01.20 for Encounter for dental examination and cleaning without abnormal findings

  • Use Z01.21 for Encounter for dental examination and cleaning with abnormal findings

  • Z01.3 for Encounter for examination of blood pressure

  • Use Z01.30 for Encounter for examination of blood pressure without abnormal findings

  • Use Z01.31 for Encounter for examination of blood pressure with abnormal findings

  • Z01.4 for Encounter for gynecological examination

  • Z01.41 for Encounter for routine gynecological examination

  • Use Z01.42 for Encounter for cervical smear to confirm findings of recent normal smear following initial abnormal smear

  • Z01.8 for Encounter for other specified special examinations

  • Z01.81 for Encounter for preprocedural examinations

  • Use Z01.82 for Encounter for allergy testing

  • Use Z01.83 for Encounter for blood typing

  • Use Z01.84 for Encounter for antibody response examination

  • Use Z01.89 for Encounter for other specified special examinations

Tabular List NotesGuidance

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

Includes

  • routine examination of specific system

Type 1 Excludes

  • encounter for examination for administrative purposes Z02
  • encounter for examination for suspected conditions, proven not to exist Z03
  • encounter for laboratory, radiologic and imaging examinations for sign(s) and symptom(s) - code to the sign(s) or symptom(s)

Type 2 Excludes

  • encounter for laboratory and radiologic examinations as a component of general medical examinations Z00.0
  • screening examinations Z11 Z13

  • Codes from category Z01 represent the reason for the encounter. A separate procedure code is required to identify any examinations or procedures performed

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 Z01Overview

Is Z01 a billable code?

No. This is a category header that groups the codes for encounter for other special examination without complaint, suspected or reported diagnosis, and headers cannot be submitted on claims. Claims for encounter for other special examination without complaint, suspected or reported diagnosis need a more specific code from this category, such as Z01.00, Z01.01, and Z01.020.