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HelpTest Code 4010173 Protime (PT/INR)
Specimen Requirements
1.0 mL plasma.
Container
Sodium citrate (light blue top) tube only
Stability
24 hours unopened
May be frozen at -20°C for up to 2 weeks.
Analytical Time
Same day
Available stat
Sample Retention Time
7 days
Method
Photo Optical Clot Detection
CPT Code
85610
Performing Laboratory
Springfield Hospital Laboratory
Reject Due To
Improperly labeled sample
Tubes filled to less than 90%
Tubes filled above the fill line
Clotted sample
Gross hemolysis