Category R74

Abnormal serum enzyme levels

Clinical Classification Guidelines

Specific Diagnosis Codes

Nonspecific elevation of levels of transaminase and lactic acid dehydrogenase [LDH]
R74.0
Elevation of levels of liver transaminase levels
R74.01
Elevation of levels of lactic acid dehydrogenase [LDH]
R74.02
Abnormal levels of other serum enzymes
R74.8
Abnormal serum enzyme level, unspecified
R74.9