R76.1Abnormal reaction to tuberculin test
Code usage status
Primary diagnosis
May be used as the primary diagnosis
Apply only when it matches the confirmed diagnosis and the documented clinical record.
Specificity
Complete code in the classification
Use when the diagnosis matches and no exclusion applies.
- Chapter XVIII
- Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
- Official Vietnamese name
- Phản ứng xét nghiệm tuberculin bất thường
- Additional WHO coding guidance
- Abnormal result of Mantoux test
Related R76 codes
R76
Other abnormal immunological findings in serum
R76.0
Primary diagnosis candidate
Raised antibody titre
R76.2
Primary diagnosis candidate
False-positive serological test for syphilis
R76.8
Primary diagnosis candidate
Other specified abnormal immunological findings in serum
R76.9
Primary diagnosis candidate
Abnormal immunological finding in serum, 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.
