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Test Code 62871268 PTT

Performing Laboratory

Torrance Memorial Laboratories

Specimen Requirements

Submit the following specimen:

 

Specimen Type:  Whole blood

Container/Tube: Blue top (citrate)

Specimen Volume: Tube must be filled

Collection Instructions:

1.  Tube must be filled to the fill line.

2.  If using butterfly, discard tube must be drawn first.

Specimen Transport Temperature

Ambient

 

Storage Temp Stability:

Ambient: 8 hours

Refrigerated:  8 hours

Methodology

Photometric

Reference Range

25.0 -36.0 seconds

Day(s) Test Set Up/TAT

Performed:

Daily 

Available STAT

 

TAT:

STAT: < 1 hr

Routine: < 4 hrs

Aliases

Partial Thromboblastin Time

CPT Code

85730