2027 ICD-10-CM Diagnosis Code Z01Encounter for other special examination without complaint, suspected or reported diagnosis

ICD-10-CM Codes›Z00–Z99›Z00-Z13›Z01

ICD-10-CM Z01
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

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
Short Description
Encntr for oth sp exam w/o complaint, suspected 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
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

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to Z01: its own notes plus those printed at block Z00-Z13 and Chapter 21. A note printed at a category, block or chapter applies to every code under it.

Includes

Further defines, or gives examples of, the content of the category.

  • routine examination of specific system

Excludes1

Not coded here: the excluded code is never reported together with this one, unless the two conditions are unrelated.

  • 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)

Excludes2

Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.

On Z01 itself
  • encounter for laboratory and radiologic examinations as a component of general medical examinations (Z00.0-)
  • screening examinations (Z11-Z13)
From Block Z00-Z13 Persons encountering health services for examinations applies to 156 codes
  • examinations related to pregnancy and reproduction (Z30-Z36, Z39.-)

Notes

General instructions on how these codes are used.

On Z01 itself
  • Codes from category Z01 represent the reason for the encounter. A separate procedure code is required to identify any examinations or procedures performed
From Block Z00-Z13 Persons encountering health services for examinations applies to 156 codes
  • Nonspecific abnormal findings disclosed at the time of these examinations are classified to categories R70-R94.
From Chapter 21 (Z00-Z99) Factors influencing health status and contact with health services applies to 1,425 codes
  • Z codes represent reasons for encounters. A corresponding procedure code must accompany a Z code if a procedure is performed. Categories Z00-Z99 are provided for occasions when circumstances other than a disease, injury or external cause classifiable to categories A00-Y89 are recorded as 'diagnoses' or 'problems'. This can arise in two main ways:
  • (a) When a person who may or may not be sick encounters the health services for some specific purpose, such as to receive limited care or service for a current condition, to donate an organ or tissue, to receive prophylactic vaccination (immunization), or to discuss a problem which is in itself not a disease or injury.
  • (b) When some circumstance or problem is present which influences the person's health status but is not in itself a current illness or injury.

Source: CMS ICD-10-CM Tabular List. How to read instructional notes.

Referenced in Other NotesGuidance

Instructional notes printed at other codes that name Z01, its category, or a range that includes it.

Excludes1 1

These codes carry an Excludes1 note naming Z01: they are not reported together with it, unless the two conditions are unrelated.

  • Z02.7 Encounter for issue of medical certificate
    encounter for general medical examination (Z00-Z01, Z02.0-Z02.6, Z02.8-Z02.9) names Z00-Z01, which includes this code

Excludes2 1

These codes carry an Excludes2 note naming Z01: its condition is not part of those codes, and both may be reported when the patient has both.

  • Z71.84 Encounter for health counseling related to travel
    encounter for other special examination without complaint, suspected or reported diagnosis (Z01.-)

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 2017–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

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.

Can Z01 be reported with a code from Z02?

Not as a rule. The Excludes1 note on Z01 lists "encounter for examination for administrative purposes (Z02.-)". An Excludes1 note means the excluded code is never reported together with this one; the only exception is when the two conditions are unrelated to each other (Official Guidelines, Section I.A.12.a).