A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
PROTIME (PT) (PROX)
MessageMust be received at testing lab in order to complete testing within 24 hours of collection (room temperature).
Test Code
LAB320
Alias/See Also
PROX
CPT Codes
85610
Includes
Includes INR
Preferred Specimen
5 mL whole blood
Instructions
Blue-top tubes (3.2% Sodium Citrate) must be completely filled (to the 'fill-line'). If a Blue-top tube is the only tube being collected, it is recommended that you draw and DISCARD a minimum of 5 mL prior to collecting.If a specimen must be collected through an indwelling catheter, the line should be flushed with 5 mL of saline and the first 5 mL of blood (or six dead space volumes of the catheter) discarded prior to drawing the testing specimen. If a specimen is drawn from an I.V. or arterial line, the I.V. must be turned off for at least 2 minutes and a minimum of 15 mL of blood discarded PRIOR to drawing this tube.
Transport Container
Blue top
Transport Temperature
Room temperature; do not refrigerate
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Clotted or grossly lipemic specimen
Reference Range
PT: 10.3-13.3 seconds
INR: 0.85-1.15
INR: 0.85-1.15