Find out more about a day in the life of Kelvin Adu-Darko, an Advanced Biomedical Support Worker in Point of Care Testing (POCT), based at Croydon Hospital.
Coagulation Screening Tests, Fibrinogen Assay, Anticoagulant control
| Category | Haematology |
|---|---|
| Reporting frequency | Urgent 60-90 minutes (dependent on extent of tests required). Routine 4 hours. |
Collection conditions
Samples taken from lines may be contaminated with heparin which could affect results. Samples must be filled to mark, taken with minimum stasis and analysed within 4 hours after venipuncture. May be added to samples less than 4 hours old
Additional information
Use multidisciplinary request form
Reference range information:
INR 0.8 – 1.1
INR (Warfarin) See anticoagulant guides
APTTR 0.85 – 1.15
APTT (unfractionated heparin iv) 1.5 – 3.5
Fibrogen 1.6 – 4.8 g/L
Anti-Xa (low molecular weight or unfractionated heparin) Refer to haematologist
Lab Tests Online UK
Lab Tests Online - UK is a website written by practising laboratory doctors and scientists to help you understand the many clinical laboratory tests that are used in diagnosis, monitoring and treatment of disease.
- Search Tests