AHA Coding Clinic® for ICD-10-CM and ICD-10-PCS - 2020 Issue 4; New/Revised ICD-10-CM Codes

Elevated Liver Enzymes

Code R74.0 Nonspecific elevation of levels of transaminase and lactic acid dehydrogenase [LDH], has been expanded to separately report elevation of levels of liver transminase (R74.01) and elevation of levels of LDH (R74.02). Code R74.01 includes elevation of levels of alanine transaminase (ALT) and aspartate transaminase (AST).It’s important to distinguish elevations of different liver enzymes because they can result in different clinical treatment modalities and resource utilization. ...

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