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Test Code PROTHROMBIN TIME PROTHROMBIN TIME

Department

Coagulation

Specimen Type

Plasma

Method

Photometric Clot Detection

Container

Sodium citrate 3.2% (light blue-top)

Special Requirements

1.8 mL tube available. Any blue-top tube must be completely filled. DO NOT refrigerate
 

Standard Volume

2.7ml

Minimum Volume

1.8 ml

Pediatric Volume

N/A

Ship Temperature

See Stability

Stability Refrigerated

N/A Do Not Refrigerate

Stability Room Temp

24 hours

Stability Frozen

7 Days

Spin down and separate plasma. Freeze plasma at -70° C.

CPT Code

85610

Days Test Set Up

Monday through Sunday

Group Components

PT/INR