2026 ICD-10-CM Diagnosis Code Z02.83Encounter for blood-alcohol and blood-drug test

ICD-10-CM Codes›Z00–Z99›Z00-Z13›Z02

ICD-10-CM Z02.83
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

Z02.83 is a billable ICD-10-CM diagnosis code for encounter for blood-alcohol and blood-drug test. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). The code is exempt from POA reporting. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Encounter for administrative purposes.

Code Identity

ICD-10-CM Code
Z02.83
Billable Status
Yes — Valid for Submission
Code Describes
Encounter for blood-alcohol and blood-drug test
Short Description
Encounter for blood-alcohol and blood-drug test
Same as the full description in the CMS dataset.
Parent Code
Z02.8
Encounter for other administrative examinations

Code Classification

ChapterZ00–Z99Factors influencing health status and contact with health services
SectionZ00-Z13Persons encountering health services for examinations
CategoryZ02Encounter for administrative examination
This CodeZ02.83Encounter for blood-alcohol and blood-drug test

Present on Admission (POA)Billing

Z02.83 is exempt from POA reporting on inpatient claims to general acute care hospitals. Review other POA exempt codes.

Tabular List NotesGuidance

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

Use Additional Code

  • code for findings of alcohol or drugs in blood R78

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

External Cause of Injuries IndexGuidance

References for this code in the External Cause of Injuries Index.

    • Examination(for) (following) (general) (of) (routine)
      • medical (adult) (for) (of)
        • blood alcohol or drug level
    • Test, tests, testing(for)
      • blood-alcohol
    • Test, tests, testing(for)
      • blood-drug

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR FAC001
Encounter for administrative purposes
Default principal diagnosis: inpatient Yes · outpatient Yes

Patient EducationClinical

Blood Alcohol Level

A blood alcohol test measures the amount of alcohol (also called ethanol) in a sample of your blood. Alcohol is the ingredient in beer, wine, and distilled spirits (liquor) that makes you feel intoxicated (drunk).

Read the full article at MedlinePlus

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

Convert Z02.83 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
V70.4 Exam-medicolegal reasons
Approximate The match is approximate rather than exact.

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 Z02.83Overview

Is Z02.83 (Encounter for other administrative examinations) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report encounter for blood-alcohol and blood-drug test on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

Is Z02.83 exempt from POA reporting?

Yes. CMS lists this code among those exempt from present on admission reporting, so hospitals do not assign a POA indicator for encounter for blood-alcohol and blood-drug test on inpatient claims.

What is the ICD-9 equivalent of Z02.83?

Under the General Equivalence Mappings, encounter for blood-alcohol and blood-drug test converts to ICD-9-CM V70.4 (exam-medicolegal reasons). The mapping is approximate, so confirm the match fits the documentation.