Alanine Aminotransferase to Aspartate Aminotransferase Ratio Measurement

**Semantic type:** Laboratory Procedure

**Definition:** The determination of the ratio of alanine aminotransferase (ALT) compared to aspartate aminotransferase (AST) present in a sample. The measurement may be expressed as a ratio or percentage.

**Synonyms:** - ALT/AST - ALT/AST - ALTAST