Correction Studies PT*

Important Note

*This test is orderable in Cerner as Correction Studies PT

Photo-Optical

Includes International Normalized Ratio (INR).

Rutland Regional Medical Center Laboratory

Specimen Type: Whole blood
Container/Tube: Light-blue top (citrate)

Specimen Volume: 2 full tubes
Specimen Minimum Volume: 5.4 mL
Collection Instructions:

1. Tubes must be full. (Do not underfill or overfill tubes.)

2. Send specimen in original tubes.

Additional Information: Plasma is stable for 4 hours when refrigerated.

Refrigerated

9.2-10.6 seconds

Critical value (automatic call-back): >25 seconds

INR

Normal: 0.8-1.2

Therapeutic: 2-3

Critical values (automatic call-back)

Normal: >4

Therapeutic: >5

Daily

Analytical Time:

1 day

85610-PT

85611-PT substitution, plasma fractions, each