INR*

Specimen Container

1 lt.bl.

Specimen Collection Type

plasma

Minimum Volume To Collect (Ml)

1.8 mL

Pediatric Volume To Collect (Ml)

One Greiner MiniCollect 0.9 mL Light Blue (3.2% Sodium Citrate)

Stability

Ambient Stability: 24 hrs
Refrig Stability: unable
Frozen Stability: 2 Weeks

Unacceptable Conditions

Hemolysis,
Over-filled or under-filled tubes
Capillary draw

Preferred Transportation Temperature

AMBIENT

Remarks

This is part of the PT/INR panel. All Light Blue (3.2% Sodium Citrate) tubes must be filled to the proper level as indicated on vacutainer tube no matter what size tube you are using

Do not draw above a running heparin line. If a line has ever had heparin in it, it is not suitable for coagulation tests

Performed

Sun-Sat

Reported

Same day

Methodology

Coagulation

Lab Department

Core

Testing Location

RML

Synonyms

INR
Pro Time
Protime
Protime, PT/INR
PT/International Normalized Ratio

Test OR Panel

Test

Misc Instructions

Send unopened whole tube at room temperature (preferred); do not send whole blood frozen
Frozen platelet-poor plasma may be submitted

CPT Codes

85610

LOINC

34528-0
6301-6

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