ICD-10 diagnosis code
Z03 Medical observation and evaluation for suspected diseases and conditions, ruled out
Z03 is the ICD-10 code for Medical observation and evaluation for suspected diseases and conditions, ruled out. It is a three-character category divided into 9 subcodes; use the subcode whenever the record supports that level of detail. It belongs to the block Z00–Z13 (Persons encountering health services for examination and investigation) in Chapter XXI, Factors influencing health status and contact with health services.
- Code type
- Category (3 characters)
- Chapter
- XXI · Z00–Z99
- Classification
- WHO ICD-10, 2019 version
What Z03 includes
Conditions and terms that are coded here.
- persons who present some symptoms or evidence of an abnormal condition which requires study, but who, after examination and observation, show no need for further treatment or medical care
What Z03 excludes
Conditions that look similar but belong under another code.
- person with feared complaint in whom no diagnosis is made Z71.1
Subcodes of Z03
- Z03.0Observation for suspected tuberculosis
- Z03.1Observation for suspected malignant neoplasm
- Z03.2Observation for suspected mental and behavioural disorders
- Z03.3Observation for suspected nervous system disorder
- Z03.4Observation for suspected myocardial infarction
- Z03.5Observation for other suspected cardiovascular diseases
- Z03.6Observation for suspected toxic effect from ingested substance
- Z03.8Observation for other suspected diseases and conditions
- Z03.9Observation for suspected disease or condition, unspecified
Z03 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
DZ03Lægelig observation for og vurdering af personer mistænkt for sygdom
- DZ037Observation pga. mistanke om medfødt eller perinatal sygdom
Z03Epäiltyjen sairauksien ja tilojen lääketieteellinen tarkkailu ja arviointi
Z03Ärztliche Beobachtung und Beurteilung von Verdachtsfällen, Verdacht ausgeschlossen
Z03Mise en observation et examen médical pour suspicion de maladies, non confirmées
Z03medische observatie en evaluatie in verband met verdenking op ziekten
Listed through more specific codes:
- Z03.71Encounter for suspected problem with amniotic cavity and membrane ruled out
- Z03.72Encounter for suspected placental problem ruled out
- Z03.73Encounter for suspected fetal anomaly ruled out
- Z03.74Encounter for suspected problem with fetal growth ruled out
- Z03.75Encounter for suspected cervical shortening ruled out
- Z03.79Encounter for other suspected maternal and fetal conditions ruled out
Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.
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