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 -38.0 seconds
*Note: Reference ranges provided on this web site are for guidance only, and may not reflect the most recent changes. Refer to laboratory reports for current data.
Day(s) Test Set Up/TAT
Performed:
Daily
Available STAT
TAT:
STAT: < 1 hr
Routine: < 4 hrs
Aliases
Partial Thromboblastin Time
CPT Code
85730