ACTIVATED PARTIAL THROMBOPLASTIN TIME (APTT)

10021408

Synonym(s):
Lab Section Category
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 RangeReference Range/Interval
(seconds)
0 Minute - 6 Months21 - 33
6 Months - 1 Year24 - 33
1 Year - 6 Years24 - 30
6 Years - 11 Years25 - 32
11 Years - 18 Years25 - 30
> 18 Years25.7 - 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