IgM Phospholipid Unit

**Semantic type:** Quantitative Concept

**Definition:** A unit for semiquantitative measurement of IgM autoantibodies to proteins associated with negatively charged phospholipids evaluated in ELISA serum anticardiolipin or anionic phospholipid assay against an established reference standard. One IgM phospholipid unit is equivalent to one mg/mL of an affinity-purified standard IgM sample obtained from the specified individuals.

**Synonyms:** - IgM anticardiolipin unit - Immunoglobin M Phospholipid Units - MPL U - MPL U - MPL Unit - MPL unit - MPL'U - MPL'U - [MPL'U] - [MPL'U] - [MPL'U] - [MPL'U] - [MPL'U] - [MPL'U]