Sengkang General Hospital Our Specialties Department of Pathology Lab Catalogue ACTIVATED PARTIAL THROMBOPLASTIN TIME (APTT)

ACTIVATED PARTIAL THROMBOPLASTIN TIME (APTT)

10021408

Lab Section Category

Haematology

Specimen Requirement

3 mL blood

Specimen Container

Sodium citrate tube containing 0.3 mL of 3.2% sodium citrate (Blue cap)

Turnaround Time

Stat: 1 hour
Routine: 4 hours

Testing Laboratory

SKH

Reference Range / Interval

Age Range	Reference Range/Interval (seconds)
0 Minute - 6 Months	21 - 33
6 Months - 1 Year	24 - 33
1 Year - 6 Years	24 - 30
6 Years - 11 Years	25 - 32
11 Years - 18 Years	25 - 30
> 18 Years	25.7 - 32.9

Therapeutic range for Unfractionated Heparin (UFH) can be given upon request to the lab.

Orderable on CPOE?

Yes

Day and Time Performed

Daily, 24 hours

Last Updated - 28 May 2025

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