Heparin-induced thrombocytopenia test


Alternative names, keywords


Samples required

Trisodium citrate blood (blue cap, 3.5 mL tube) taken with minimal stasis, filled to the line (preferred sample).

Clotted blood (gold cap, 5 mL tube). Smaller tubes are available for paediatric samples.

Samples should be processed in the laboratory within 2 hours of venepuncture.

Test indications

Referred by Haematology Department by agreement of consultant haematologist.

Please contact Coagulation department on ext. 4306 (RSCH) or ext. 8201 (PRH), or on call biomedical scientist in Haematology if out of hours, before sending sample.

Test information

Screening test performed locally.

Reference range

Interpretive report

Turnaround time

Screening test available within 2 hours.


Haematology (Coagulation)