Factor assays II,V,VII,VIII,IX,X,XI,XII

Test investigation

Factor assays II,V,VII,VIII,IX,X,XI,XII

Laboratory offering test

NNUH, QEH (factor VIII, IX, and XI only)

Comments precautions

Urgent requests must be discussed with haematology consultant and/or the laboratory

Ideal sample age for accurate results maximum acceptable sample age

ASAP, within 1 hour/ 8 hours

Sample type

Citrate x 3

Turnaround times (TAT) Urgent/Routine/GP or OPD

Routine: 1 week for urgent see comments

Reference intervals

Advisory comments, age, sex and analyser specific reference intervals are included on the laboratory report where appropriate. Further advice can be obtained by contacting the laboratory.

If ukas accredited