Sign in →

Test Code LAB2652 Protime (PT) with INR, Plasma

Additional Codes

Test Name in EPIC EPIC Test Code Mnemonic
PROTIME LAB2652 PT/INR

 

Methodology

Electromechanical Clot Detection/Calculated International Normalized Ratio (INR)

Note: Neighborhood and regional sites may have a different LIS test number, contact site for specific ordering information.

Specimen Requirements

Fill Blue top tube to the etched line located just below the cap of the tube.
•    Grossly hemolyzed specimen is not acceptable.

Light Blue Top - Na Citrate (3.2%)

 

 

Specimen Transport Temperature

Ambient whole blood or platelet-poor plasma 8 hours

Frozen plasma 2 weeks at -20°C or 12 months at -70°C

Refrigerate NO

1.  To achieve platelet-poor plasma, spin down, remove top 2/3 of plasma, and spin plasma again in         a plastic vial.*
2.  Aliquot top 3/4 and place platelet-poor plasma in a plastic transport vial.*
3.  Glass vials are not acceptable for processing/transport/storage.
4.  Stable for 8 hours at room temperature
5.  Preferred specimen volume: 1 mL sodium citrate plasma
6.  Minimum specimen volume: 0.5 mL sodium citrate plasma

* 2 Aliquot labels will auto print at non-performing sites to double spin

Day(s) Test Set Up

Monday through Sunday

Performing Laboratory

Coagulation-

Central Region: St. Joseph's Medical Center Lab

East Region: Deer River Hospital Lab, Northern Pines Lab, Proctor Clinic Lab, Sandstone Hospital Lab, SMDC Clinical Lab, Spooner Clinic Lab, St. Mary's Hospital - Superior Lab, Virginia Hospital Lab,

West Region: Ada Hospital Lab, Fargo Hospital Lab, Fosston Hospital Lab, Holy Trinity Hospital Lab, St. Mary's - Detroit Lakes Hospital Lab

Test Classification and CPT Coding

85610

Reference Values

Normal range changes every year with lot change of PT reagent. See patient chart copy for current range.