N-Acetyl Aspartate to Choline Ratio Measurement

**Semantic type:** Laboratory Procedure

**Definition:** The determination of the ratio of N-acetyl aspartate compared to choline present in a sample. The measurement may be expressed as a ratio or percentage.

**Synonyms:** - N-Acetyl Aspartate/Choline - N-Acetyl Aspartate/Choline - NAACHO