Phosphatidylserine IgM Antibody Unit

**Semantic type:** Quantitative Concept

**Definition:** A unit for semiquantitative measurement of IgM autoantibodies to proteins associated with phosphatidylserine evaluated against an established reference standard.

**Synonyms:** - Immunoglobin M Phosphatidylserine Units - Immunoglobin M Phosphatidylserine Units - MPS U - MPS U - {MPS U} - {MPS U}