ICD-10-CM Current in FY 2027

Z04.1

Encounter for examination and observation following transport accident

Release: FY 2027
Effective: October 1, 2026

Hierarchy

Where Z04.1 sits in the official hierarchy. Each level is the code it is classified under.

Z04 Parent Encounter for examination and observation for other reasons
Z04.1 This code Encounter for examination and observation following transport accident

Official Coding Notes

Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.

Includes

encounter for examination for medicolegal reasons

Inherited from Z04 — Encounter for examination and observation for other reasons

Includes

This category is to be used when a person without a diagnosis is suspected of having an abnormal condition, without signs or symptoms, which requires study, but after examination and observation, is ruled-out. This category is also for use for administrative and legal observation status.

Inherited from Z04 — Encounter for examination and observation for other reasons

Excludes1

encounter for examination and observation following work accident ( Z04.2 )

Version History

How Z04.1 appears in each release imported from the official files, newest first.

FY 2027 Effective October 1, 2026
Current

Encounter for examination and observation following transport accident
FY 2026 Effective October 1, 2025
Unchanged

Encounter for examination and observation following transport accident

Other codes under Z04

Data Source

Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.

Release: FY 2027
Effective: October 1, 2026
Source file: icd10cm-code-descriptions-2027.zip

Official ICD-10-CM source files (opens in a new tab)

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