Prothrombin Time |
|
Test Code |
151 |
Unit |
Seconds (sec) |
Station |
Coagulation |
Synonym Name/Abbreviation |
PT; Protime |
CPT Code |
85610 |
Performing Facility |
American Medical Labs, Herzliya |
Analyzer |
Siemens, Sysmex CA1500 |
Test Method |
Photo-optical |
AML Preferred Tube |
Blue top Na-Cit 3.2% |
Collection/Storage |
Collection tubes must be filled to completion to ensure a |
Min. Volume |
1 mL Plasma |
Comments |
Values obtained with different assay methods should not be |
Turn-Around-Time |
One day |
Intended Use |
Control of dosage in |
Limitations |
A large number of medications modify the hypoprothrombinemic Result is sensitive to plasma:citrate anticoagulant ratio,
|
Patient Preparation |
No patient preparation |
Reasons for Rejection |
Clotted specimens; Gross lipemia; or hemolysis; tube <90% full; |
Adult Reference Ranges |
9.0 to 12.2 |