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Laboratory Test Reference Guide

Laboratory Information

Test Name

Factor 11 (XI) assay

Synonyms

F11
FXI
Factor 11
Factor Eleven

External Price (excl. GST)

73.23

Specimen Collection

Adult Specimen

2.7 ml sodium citrate tube (light blue)

Paediatric Specimen

1.8 ml paediatric sodium citrate tube (light blue)

Instructions for Referral to Waikato Lab

Aliquot instructions

Sample must be received in the Laboratory, separated & frozen within 4 hours of collection. If despatched from outside Hospital serum must still be frozen on arrival in Laboratory.

Aliquot Transport

Send frozen

Test Information

Department

Haematology

Test Availability

By arrangement with Laboratory. Mon - Fri 0800-1630 excl. Public Holidays

Laboratory Turnaround Time

Batched weekly, 2 hours if urgent

Method

Clotting based assay

Reference interval

50-150%

Minimum Volume

1.0ml double spun platelet poor plasma

Electronic Information

Registration Code

XI