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Z03.2 ICD-10-CA code: Observation for suspected mental and behavioural disorders

Z03.2 is the ICD-10-CA code for “Observation for suspected mental and behavioural disorders” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.

Official description

Z03.2

Observation for suspected mental and behavioural disorders

Short description: Obs suspected mental & behavioural disrd

ICD-10-CA · Canada · Also written Z032

Index terms

Entries in CIHI’s alphabetical index that lead to Z03.2. Searching the index by the condition the note names is how coders reach this code.

  • Observation (for), disease, mental (suspected)
  • Shoplifting, without manifest psychiatric disorder
  • Fire setting, without manifest psychiatric disorder
  • Gang, activity, without manifest psychiatric disorder
  • Dissocial behavior, without manifest psychiatric disorder
  • Observation (for), suspected (undiagnosed) (unproven), mental disorder
  • Observation (for), suspected (undiagnosed) (unproven), behavioral disorder
  • Observation (for), dissocial behavior, without manifest psychiatric disorder
  • Observation (for), shoplifting (behavior), without manifest psychiatric disorder
  • Observation (for), fire setting (behavior), without manifest psychiatric disorder
  • Mental, disorder, suspected, observation for, without need for further medical care
  • Observation (for), gang activity or bahavior, without manifest psychiatric disorder

Notes for Z03.2

As CIHI prints them, with any note Z03.2 takes from the headings above it.

Includes

Excludes

Conditions classified elsewhere.

Note

  • Nonspecific abnormal findings disclosed at the time of these examinations are classified to categories (R70-R94).From Z00-Z13 Persons encountering health services for examination and investigation
  • This chapter should not be used for international comparison or for primary mortality coding.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 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. Such factors may be elicited during population surveys, when the person may or may not be currently sick, or be recorded as an additional factor to be borne in mind when the person is receiving care for some illness or injury.From Chapter 21: Factors influencing health status and contact with health services (Z00-Z99)

Where Z03.2 sits

  1. 1ChapterChapter 21: Factors influencing health status and contact with health services (Z00-Z99)
  2. 2Block Z00-Z13Persons encountering health services for examination and investigation
  3. 3Category Z03Medical observation and evaluation for suspected diseases and conditions, ruled out
  4. 4Valid code Z03.2Observation for suspected mental and behavioural disorders

Source and release

Data release
ICD-10-CA · FY 2026–2027
Effective date
Apr 1, 2026
Publisher
CIHI

This page is built from the ICD-10-CA catalog that Vero Codes reads when it suggests codes: Canadian Institute for Health Information’s FY 2026–2027 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.

See Z03.2 in the CIHI source

Frequently asked questions

What does ICD-10-CA code Z03.2 mean?

Z03.2 is the ICD-10-CA code for “Observation for suspected mental and behavioural disorders” in CIHI’s ICD-10-CA FY 2026–2027 release.

Where is Z03.2 in ICD-10-CA?

Z03.2 sits under Z03 Medical observation and evaluation for suspected diseases and conditions, ruled out, within Z00-Z13 Persons encountering health services for examination and investigation, within Chapter 21: Factors influencing health status and contact with health services (Z00-Z99).

What coding notes apply to Z03.2?

ICD-10-CA lists Includes, Excludes, Note notes for Z03.2, including those from the headings it sits under. They are listed on this page with where each one comes from.

Which ICD-10-CA release does this page use?

It uses CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026 to Mar 31, 2027. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.

Codes beside Z03.2

Z03.0Observation for suspected tuberculosisZ03.1Observation for suspected malignant neoplasmZ03.3Observation for suspected nervous system disorderZ03.4Observation for suspected myocardial infarctionZ03.5Observation for other suspected cardiovascular diseasesZ03.6Observation for suspected toxic effect from ingested substanceZ03.8Observation for other suspected diseases and conditionsZ03.9Observation for suspected disease or condition, unspecified