Specimen:

Serum

Collection Medium:

Minimum:

Adult - 5 ml; red top tube
Pediatric - 2 ml; red top tube

Testing
Schedule:

Weekly

Analytic Time:

1 week

Reference Range:

IgM class antibodies:  Negative: <12.5 MPL
                       Indeterminate: 12.5-20 MPL
                       Positive: >20 MPL

Comments:

Values will be reported in IgM phospholipid units (MPL), the WHO 
standard nomenclature.

Methodology:

Enzyme-Linked Immunosorbent Assay (ELISA)

Sample
Processing:

Centrifuge at 3500 RPM for 5 minutes.
Aliquot serum into labeled container and cap.

Sample
Storage:

Refrigerate serum 2-8 degree C.

Transport
Instructions:

Place specimen into zip-lock type bag, seal bag.
Place requisition into outside pocket of bag.
Ship at ambient temperature.

CPT Code:

86147

See also:
Cardiolipin Antibody, IgG and IgM, Serum
Cardiolipin Antibody, IgG, Serum

See Additional Information:
Antiphospholipid Syndrome (APS): Laboratory Evaluation