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PTT, PREOP (OPSPTT)
MessageThis test code for outpatient pre-op patients only.
Test Code
LAB2453
Alias/See Also
OPSPTT
CPT Codes
85730
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, IV, or arterial line, flush with 5 mL of saline and discard the first 5 mL of blood (or six dead space volumes of the catheter) prior to drawing the testing specimen. Flushing with heparin should be avoided.
Transport Container
Blue top
Transport Temperature
Frozen
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Clotted or grossly lipemic specimen
Reference Range
25-38 seconds
