Z22.7 is the ICD-10 code for Latent tuberculosis. It is a four-character subcategory of Z22 (Carrier of infectious disease), the most specific level in the WHO edition. It belongs to the block Z20–Z29 (Persons with potential health hazards related to communicable diseases) in Chapter XXI, Factors influencing health status and contact with health services.
- Code type
- Subcategory (4 characters)
- Chapter
- XXI · Z00–Z99
- Classification
- WHO ICD-10, 2019 version
What Z22.7 excludes
Conditions that look similar but belong under another code.
- abnormal result of Mantoux test R76.1
Z22.7 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
Z22.7Latent tuberkulos
Z22.7Latent tuberkulose
DZ227Latent tuberkulose
Z22.7Latente Tuberkulose
Z22.7Sujet porteur d'infection tuberculeuse latente
Z22.7latente tuberculose
Z22.7Latent tuberculosis
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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