Low
positive : 5-19 GPL* or MPL*
Moderate positive: 20-80 GPL* or MPL*
High positive : >80 GPL* or MPL*
* GPL = IgG unit; MPL = IgM unit. Each unit is equivalent to 1µg/ml of an
affinity purified standard IgG or IgM sample.
REFERENCES
Harris EN. The second
international anti-cardiolipin standardization workshop / The Kingston
Anti-phospholipid Antibody Study (KAPS) Group. Am J Cin Path
1990;94:476-484.