Phosphorylated Tau 217 to Amyloid Beta 1-42 Ratio Measurement

**Semantic type:** Laboratory Procedure

**Definition:** The determination of the ratio of phosphorylated Tau 217 to amyloid beta 1-42 present in a sample. The measurement may be expressed as a ratio or percentage.

**Synonyms:** - Phosphorylated Tau 217/Amyloid Beta 1-42 - Phosphorylated Tau 217/Amyloid Beta 1-42 - Phosphorylated Tau Protein 217/Amyloid Beta 1-42 - T217PA42