Z03 — Encounter for medical observation for suspected diseases and conditions ruled out
Part of Chapter 21: Factors influencing health status and contact with health services , block Persons encountering health services for examinations (Z00-Z13) .
Official Notes
Inclusion Terms
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.
Excludes1
contact with and (suspected) exposures hazardous to health ( Z77 .-)
Excludes1
encounter for observation and evaluation of newborn for suspected diseases and conditions ruled out ( Z05 .-)
Excludes1
person with feared complaint in whom no diagnosis is made ( Z71.1 )
Excludes1
signs or symptoms under study- code to signs or symptoms
Child Codes
Referenced By
Official notes on these codes cite Z03.
FY 2027 effective October 1, 2026 · CDC NCHS and CMS