Z03Medical observation and evaluation for suspected diseases and conditions, ruled out
Code usage status
Primary diagnosis
Select a more specific code
Apply only when it matches the confirmed diagnosis and the documented clinical record.
Specificity
Do not use Z03 directly
Use the most specific code supported by the record.
- Official Vietnamese name
- Theo dõi và đánh giá y tế đối với các bệnh và/hoặc bệnh lý nghi ngờ, bệnh được loại trừ
- Additional WHO coding guidance
- Incl.: 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 Excl.: person with feared complaint in whom no diagnosis is made (Z71.1)
Related Z03 codes
Z03.0
Primary diagnosis candidate
Observation for suspected tuberculosis
Z03.1
Primary diagnosis candidate
Observation for suspected malignant neoplasm
Z03.2
Primary diagnosis candidate
Observation for suspected mental and behavioural disorders
Z03.3
Primary diagnosis candidate
Observation for suspected nervous system disorder
Z03.4
Primary diagnosis candidate
Observation for suspected myocardial infarction
Z03.5
Primary diagnosis candidate
Observation for other suspected cardiovascular diseases
Z03.6
Primary diagnosis candidate
Observation for suspected toxic effect from ingested substance
Z03.8
Primary diagnosis candidate
Observation for other suspected diseases and conditions
Z03.9
Primary diagnosis candidate
Observation for suspected disease or condition, unspecified
Clinical record checklist
View coding guide →- Confirm that the code matches the final documented diagnosis.
- Use one primary-diagnosis code and record only relevant additional conditions.
- Review Ministry indicators, inclusions, exclusions and notes.
- Do not infer a diagnosis beyond the clinical record.
2026 regulatory basis
Indicators are taken from columns 24–29 of the classification accompanying Circular 06/2026/TT-BYT, cross-referenced with Decision 1849/QĐ-BYT and Official Dispatch 4059/BYT-BH.