Test Code SOFT: PTMIX Prothrombin Time (PT) 50:50 Mixing Study, Blood or Plasma
Additional Codes
Ordering Mnemonic |
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EPIC NAME: PT MIX FOR CIRCULATING ANTICOAGULANT EPIC CODE: LAB20033 |
Performing Laboratory
Saint Francis Medical Center-Coagulation
Specimen Requirements
Submit only 1 of the following specimens:
Specimen Type: Whole blood
Container/Tube: Dark blue top (3.2% sodium citrate) tube
*** Not royal blue EDTA
Specimen Volume: Entire unopened tube
Collection Instructions: Label specimen as whole blood.
Stability: 18 Hours (Ambient)
Specimen Type: Platelet-poor plasma
Collection Container/Tube: Dark blue top (3.2% sodium citrate) tube; must be filled to line
*** Not royal blue EDTA
Submission Container/Tube: Plastic vial
Specimen Volume: 2 mL
Stability: 3 Hours (A); 14 Days (F), if separated and immediately frozen at -20'C
Collection Instructions: Label specimen as plasma.
Specimen Transport Temperature
Whole Blood: Ambient
Plasma: Ambient <3 hours/Frozen >3 hours
Refrigeration not acceptable
Reference Values
See laboratory report.
Day(s) Test Set Up
Monday through Sunday
Test Classification and CPT Coding
85610