THROMBIN TIME

Synonyms:
Computer Code: (TT)
Specimen Collection: 2.7 mL blood (blue top tube). Transport to lab within 3 hours.
Minimum Volume: 1.8 mL
Handling Instructions for Offsite Areas: If transport time will exceed four hours, send platelet-poor plasma frozen to -20C or less. To obtain platelet- poor plamsa: centrifuge and separate plasma into a transport tube.
Reference Values: 0-16.6 seconds
Lab Code: Diagnostic Hematology
Requisition: SPEC H
Test Frequency: Weekly
Routine TAT: 7 days
Stat TAT: contact lab
CPT Code(s): 85670
LCD or NCD:
Methodology Used:
See Addendum XVII