Laboratory Test DirectoryShare
Prothrombin Time (PT) and Partial Thromboplastin Time (PTT)
|Methodology:||Automated Clotting Time|
Collect: Blue-top (sodium citrate) tube - Whole blood .
Specimen Preparation: Blood should be collected in a blue-top tube containing 3.2% buffered sodium citrate.
The sample should be mixed immediately by gentle inversion at least six times to ensure adequate mixing of the anticoagulant with the blood.
Storage/Transport Temperature: Specimens are stable at room temperature for 24 hours.
Stability: Ambient : 24 hours; Frozen plasma: 2 weeksCauses for Rejection : Gross hemolysis; clotted specimen; frozen plasma
thawed in transit; specimen collected in tube other than 3.2% citrate
Note: This test is approved for NY .
Accu Reference Medical Laboratory
|CPT Code(s):||85610 85730|
|Test Panel Components||Prothrombin Time (PT/INR); Partial Thromboplastin Time (PTT)|