ICD-10-CM › Z00-Z99 › Z00-Z13 › Z codes › Z04

Z04

Encounter for examination and observation for other reasons

Not billableICD-10-CM diagnosis code.

This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.

A category header for its whole life, FY2016 onwards. It has never been valid for submission on its own.

Submit one of these 8 more specific codes instead:

  • Z04.1 Encounter for examination and observation following transport accident
  • Z04.2 Encounter for examination and observation following work accident
  • Z04.3 Encounter for examination and observation following other accident
  • Z04.4 Encounter for examination and observation following alleged rape (also a header)
  • Z04.6 Encounter for general psychiatric examination, requested by authority
  • Z04.7 Encounter for examination and observation following alleged physical abuse (also a header)
  • Z04.8 Encounter for examination and observation for other specified reasons (also a header)
  • Z04.9 Encounter for examination and observation for unspecified reason

What has happened to this code

Every change the publisher made, from 2012 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.

  1. FY2012 Added to the draft code set draft Encounter for examination and observation for other reasons

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

This code

Includes

  • encounter for examination for medicolegal reasons
  • 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 the Z00-Z13 section Persons encountering health services for examinations (Z00-Z13)

Excludes2 - not included here

  • examinations related to pregnancy and reproduction (Z30-Z36, Z39.-)

Note

  • Nonspecific abnormal findings disclosed at the time of these examinations are classified to categories R70-R94.