Pathology Handbook

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Alternative Names:

APTT

Laboratory:

Haematology

Test Code:

APT

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 is within 4 hours.

Retrospective testing is within 6 hours if on heparin therapy.

Transport Instructions:

Room Temperature
Send to lab immediately

Assay Frequency:

24/7