Encounter for medical observation for suspected diseases and conditions ruled out
- Z03 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
- Short description: Encntr for medical obs for susp diseases and cond ruled out
- The 2024 edition of ICD-10-CM Z03 became effective on October 1, 2023.
- This is the American ICD-10-CM version of Z03 – other international versions of ICD-10 Z03 may differ.
Applicable To
- 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.
Type 1 Excludes
- contact with and (suspected) exposures hazardous to health (Z77.-)
- encounter for observation and evaluation of newborn for suspected diseases and conditions ruled out (Z05.-)
- person with feared complaint in whom no diagnosis is made (Z71.1)
- signs or symptoms under study- code to signs or symptoms
The following code(s) above Z03 contain annotation back-references
that may be applicable to Z03:
- Z00-Z99 Factors influencing health status and contact with health services
- Z00-Z13 Persons encountering health services for examinations
Code History
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 2017 (effective 10/1/2016): No change
- 2018 (effective 10/1/2017): No change
- 2019 (effective 10/1/2018): No change
- 2020 (effective 10/1/2019): No change
- 2021 (effective 10/1/2020): No change
- 2022 (effective 10/1/2021): No change
- 2023 (effective 10/1/2022): No change
- 2024 (effective 10/1/2023): No change
Code annotations containing back-references to Z03: