Pathology Handbook

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Laboratory:

Haematology

Test Code:

C01

Registration Instructions:

Includes PT, INR, APTT, FIB

Specimen Types:

Plasma

Container Types:

Sodium Citrate

Adults Volume or Mass:

2.7 mL

Minimum/Paediatric Volume or Mass:

1 mL

Collection & Request Instructions:

Retrospective testing within 4 hours

Retrospective testing within 8 hours for PT, INR and Fibrinogen.

Retrospective testing within 4 hours for APTT.

Retrospective testing within 2 hours for APTT if on heparin therapy.

Transport Instructions:

Room Temperature
Send to lab immediately

Processing Instructions:

Centrifuge immediately for 15 minutes at 2000-2500 g.

Assay Frequency:

24/7