VITiếng Việt
ICD-10 Vietnam

R74Abnormal serum enzyme levels

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 R74 directly

Use the most specific code supported by the record.

Chapter XVIII
Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
Group R70-R79
Abnormal findings on examination of blood, without diagnosis
Official Vietnamese name
Nồng độ enzym huyết thanh bất thường

Related R74 codes

R74.0 Primary diagnosis candidate Elevation of levels of transaminase and lactic acid dehydrogenase [LDH] R74.8 Primary diagnosis candidate Abnormal levels of other serum enzymes R74.9 Primary diagnosis candidate Abnormal level of unspecified serum enzyme

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.