System
WHO ICD-10
Z21
ICD-10 code
Z21
Category
Asymptomatic human immunodeficiency virus [HIV] infection status
Chapter
Chapter XXI · Factors influencing health status and contact with health services
About this code
Z21 is the ICD-10 category for Asymptomatic human immunodeficiency virus [HIV] infection status, within chapter XXI · Factors influencing health status and contact with health services. ICD-10 is the World Health Organization's classification of diseases and is used on medical records, insurance claims and health statistics worldwide. A code is a classification, not a diagnosis: this page is a reference index, not medical advice, and any health question belongs with a doctor.