Antithrombin is a natural occurring inhibitor for normal blood coagulation. Originally termed Antithrombin III, as the name suggests its major effect is by inactivating Thrombin in the coagulation cascade. In the presence of Heparin the rate of Thrombin inactivation is increased several thousand fold.
Tube
05 (CP) – Citrate
ID
12705
Availability
Weekdays
Additional information
Usually requested as part of a thrombophilia screen. Antithrombin can be reduced in patients treated with L-Asparaginase.
Send to
Specialist Coagulation
Chancellor / Lincoln Wing Link Corridor
Pathology
Block 32
St James University Hospital
Beckett Street
Leeds
LS9 7TF
Contact
Collection Con
Fill to the Line. 1 x Citrate sample required.
Samples must be processed within 6 hours of being taken.
Sample REQ
Blood
Ref. Range (Male)
0.80 – 1.20
Ref. Range (Female)
0.80 – 1.20
Ref. Range (Paed)
0.80 – 1.20
Units
iu/mL
IP Routine TAT
7 days
GP Routine TAT
7 days