Test Code LAB325 Partial Thromboplastin Time (PTT), Plasma

Intended Use

Used in the evaluation of the intrinsic coagulation pathway and the monitoring of heparin therapy..

Coagulometric (Turbidimetric)

RCH-SPH-STH-LDH-CUH

Required: Platelet-poor plasma (sodium citrate)

Collection Container/tube: Light blue-top (3.2% sodium citrate) tube

Submission Container/Tube: Plastic vial

Specimen Volume: 1.0 mL (minimum volume 0.5 mL)

Additional Information: Double-centrifuged specimen is critical for accurate results as platelet contamination may cause spurious results.

Ambient: 4 hours

Frozen (Preferred): up to 2 weeks

Monday through Sunday

85730