XXI: Factors influencing health status and contact with health services
Z20-Z29: Persons with potential health hazards related to communicable diseases
Subcodes of Z20-Z29:
- Z20: Contact with and exposure to communicable diseases
- Z21: Asymptomatic human immunodeficiency virus [HIV] infection status
- Z22: Carrier of infectious disease
- Z23: Need for immunization against single bacterial diseases
- Z24: Need for immunization against certain single viral diseases
- Z25: Need for immunization against other single viral diseases
- Z26: Need for immunization against other single infectious diseases
- Z27: Need for immunization against combinations of infectious diseases
- Z28: Immunization not carried out
- Z29: Need for other prophylactic measures
Patient Disclaimer
The information provided on this page is for general educational purposes only. It is not intended for self-diagnosis and does not replace professional medical advice. Always consult your doctor or a qualified healthcare provider with any questions or concerns about your health.
If you see an ICD diagnosis code (e.g., on a medical report), be aware that doctors may also include additional indicators to express diagnostic certainty. Only a healthcare professional can interpret these codes accurately in the context of your individual case.
For a complete understanding of your condition and what the diagnosis means for you, please speak directly with your doctor.