
Sample type: Whole Blood
Test name: APTT a.k.a. Activated Partial Thromboplastin Time
Condition / Indication: Part of a clotting screen. Used for monitoring Anti-coagulation (Heparin)
Special precautions & notes: Must be assayed same day
Reference range: 21 - 33 sec (not on anticoagulants), Therapeutic ratio (1.5 – 2.5)
Container: Citrate (Blue top)
Ideal volume (mL): 2.7 mL
Discipline: Haematology
Turnaround time: 24 hours