R74Non-billable (header)

Abnormal serum enzyme levels

Related Codes· Abnormal findings on examination of blood, without diagnosis (R70-R79)

R70Elevated erythrocyte sedimentation rate and abnormality of p…R71Abnormality of red blood cellsR73Elevated blood glucose levelR75Inconclusive laboratory evidence of human immunodeficiency v…R76Other abnormal immunological findings in serumR77Other abnormalities of plasma proteinsR78Findings of drugs and other substances, not normally found i…R79Other abnormal findings of blood chemistry

Sub-codes of R74(3)

R74 is a non-billable header. Select a sub-code to bill.

R74.0Nonspecific elevation of levels of transaminase and lactic a…HeaderR74.8Abnormal levels of other serum enzymes✓ BillableR74.9Abnormal serum enzyme level, unspecified✓ Billable

Code Hierarchy

┌18Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)├R70-R79Abnormal findings on examination of blood, without diagnosis (R70-R79)├R74Abnormal serum enzyme levels
└R74Abnormal serum enzyme levels

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