Stanford Hospital & Clinics and Lucile Packard Children’s Hospital
RESULT
Test Name : Part. Thromboplastin Time, Alternative Method Order Code : LABACLPTT
Note: This test is intended for use in patients with elevated CRP interfering with the standard PTT. It is not intended for routine heparin monitoring and should not be used for this purpose. For heparin monitoring please order LABPTT
Synonyms: ACLPTT, PTT, LABCRPPTT, CRPPTT
Specimen Type: Plasma
Container Type: Light-blue-top tube (Sodium citrate)
Required Volume: Full tube (4.5 mL blood)
Minimum Volume (Pediatric): Full tube (2.7 mL blood or 1.8 mL blood depending on size of tube used)
Methodology: Clot detection
Standard Run Times: 24 Hours per day, performed at SHC routine coagulation lab location ONLY
Turnaround Time: 24 hours/next day
Special Handling: If received in lab within 4 hours of draw may be sent as whole blood at room temperature. If greater than 4 hours: within 1 hour of collection, centrifuge tube as required to obtain platelet poor plasma. Aliquot platelet poor plasma into plastic tubes (minimum 2 aliquots). Freeze immediately.
CPT Codes: 85730
LPCH EPIC Code: LABACLPTT
SHC EPIC Code: LABACLPTT
Causes For Rejection: Clotted, gross hemolysis, improperly filled tube, received thawed.
Department: Coagulation