Partial Thromboplastin Time, Activated (PTT)

FieldsValue
Test Code:120
DepartmentCoagulation
MethodologyPhoto-Optical Clot Detection
Days PerformedMon - Sat
Reported<8hrs
Specimen Required

3.2% sodium citrate (light blue-top) tube

Transport Temperature

Room temperature

Specimen Stability

  • Unopened light blue-top tube
  • Room temperature: 24 hours
  • Refrigerated: Unacceptable
  • Frozen: Unacceptable
  • Separated platelet-poor plasma
  • Room temperature: Unacceptable
  • Refrigerated: Unacceptable
  • Frozen: 14 days
Reflex Information
Panel Components
Comments
CPT Codes85730