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Heparin Induced Thrombocytopenia, Antibody

Source Blood
Mnemonic HITAB
Specimen Requirements

2 x 2.7 mL blue top sodium citrate tubes

Specimen Handling

PSC and RRL:
Send specimens UNSPUN at room temperature directly to DSC Special Coagulation. Specimens must arrive within 4 hours of collection.

Extra-regional:
Centrifuge at 2800 RCF for 15 minutes, aliquot plasma into 4 plastic tubes. Freeze and transport frozen to DSC Special Coagulation.

Specimens MUST be accompanied by a copy of the original requisition and a completed Heparin Induced Thrombocytopenia Antibody (HITABS) History Form SC4915. Send the original requisition for optical scanning. Note: for lab-collected SCM orders on inpatients, only history form is required, not requisition.

Additional Information

Platelet Serotonin Release Assay may be performed as follow-up testing.

For stat testing on weekends or off hours, clinician MUST contact the Hematopathologist on Call to obtain approval. Samples can be collected but test will not be processed unless approved.

Phone Special Coagulation 403-770-3599 or 403-770-3598 with any questions.

Testing Location Special Coagulation
Testing Frequency Monday and Thursday 07:00-12:00 (excluding holidays)
Alternate Name(s) HIT, HIT Antibody
Reference Interval