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PLATELET ANTIBODIES, DIRECT
Number 772
CPT Code 86022
Alias PLATELET ANTIBODIES DIRECT, PLATELET-ASSOCIATED IMMUNOGLOBULIN
Specimen Container Lavender Top
Specimen Type Whole Blood EDTA
Turn Around Time
Days Performed
Reference Range Negative
Alternate Specimen
Volume 12 mL Whole Blood
Stability Ambient 3 Days
Stability Refrigerated N/A
Stability Frozen N/A
Patient Preparation
Methodology
Solid-phase enzyme-linked immunoassay after elution of antibodies from platelets
Limitations
This assay is not designed to detect antibodies associated with heparin-induced thrombocytopenia (HIT), the most common drug-induced immune thrombocytopenia. While a positive result is useful in supporting the diagnosis of ITP, negative results do not necessarily rule out the condition.
Rejection Criteria
Hemolysis; specimen more than 72 hour old
Additional Instructions
Performing Laboratory Reference Laboratory
TagsPLATELET, DIRECT