ARUP's Laboratory Test Directory
| 0050902: Cardiolipin Antibody, IgM |
| Test Mnemonic: AC-IGM | |
|
Methodology: Enzyme-Linked Immunosorbent Assay
Performed: Sun-Sat Reported: 1-2 days |
| Specimen Required: | |
|
Collect: One 4 mL SST.
Transport: 1 mL serum at 2-8°C. (Min: 0.5 mL) Submit specimen in an ARUP Standard Transport Tube. Pediatric Collection/Transport: 0.15 mL serum at 2-8°C. Remarks: Separate serum from cells ASAP. Unacceptable Conditions: Plasma and other body fluids. Heat-inactivated, hemolyzed, lipemic, or contaminated specimens. Stability: After separation from cells: Ambient: 2 days; Refrigerated: 2 weeks; Frozen: 1 year |
|
| Reference Interval: |
|
< 12 MPL: Absent or none detected 12-19 MPL: Inconclusive 20-79 MPL: Moderate positive ³ 80 MPL: High positive |
| Interpretive Data: | |
|
Results in the inconclusive range and positive results for IgM only should be carefully interpreted. Most patients with "antiphospholipid antibody syndrome" (Br J Rheumatol 26:324-326, 1987) have moderate or high levels of cardiolipin antibodies and are positive for IgG only or IgG and IgM.
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| Note: | |
| MPL = IgM phospholipid units |
| CPT Code(s): | |
| 86147 |