Test Directory

Test Code
PRFRG
Test Name
Prothrombin Fragment 1& 2
CPT Codes
83520
Expected Turnaround Time
3 - 4 days
Clinical Utility

When prothrombin is converted to thrombin, the prothrombin fragment 1.2 is released from prothrombin. The test is useful to assess ongoing coagulation activation as may occur in thrombosis or DIC.

Specimen and Container Info

Specimen Type: Platelet-Poor Plasma

Collection Container: Light Blue Top (Sodium Citrate)

Desired Specimen Volume: 1 mL

Collection Instructions
  1. Collect a light blue top (sodium citrate) tube via venipuncture.
Processing and Submission Instructions

Platelet-Poor Plasma Processing Instructions

  1. Perform platelet-poor plasma processing procedure.
  2. Transfer 1 mL of platelet-poor plasma to a clear aliquot tube (screw cap) and freeze.
  3. Please submit a separate, frozen aliquot tube for each special coagulation test ordered. Do not share aliquot tube with other tests.
Transport Instructions

Transport to the laboratory frozen. 

Stability Requirements

Room Temperature

 4 hours

Refrigerated

 4 hours

Frozen

30 days

Methodology
Enzyme Immunoassay
Reference Intervals

 See patient report.

Alternate Names
  •  Prothrombin Fragment 1.2
Reference Lab
Quest Diagnostics Nichols Institute
Testing Schedule
Routine, 1 time per week