Stanford Hospital & Clinics and Lucile Packard Children’s Hospital
RESULT
Test Name : Activated Protein C Resistance Assay Order Code : APC
Note: Test performed by Special Coagulation Lab
Specimen Type: Platelet-Free Plasma
Container Type: Light-blue-top tube (Sodium citrate)
Required Volume: Full tube (4.5 mL blood)
Minimum Volume (Pediatric): 1 Full tube (2.7 mL blood or 1.8mL blood depending on size of tube used)
Methodology: Functional clotting test
Standard Run Times: Mon-Fri batched
Turnaround Time: 48-72 hours
Special Handling: Within 1 hour of collection, centrifuge tube to obtain platelet-poor plasma. The plasma is transferred to a plastic tube to be spun a second time to remove the platelet and obtain platelet-free plasma. Aliquot platelet-free plasma into plastic tubes (2 aliquots). Freeze immediately. CRITICAL FROZEN
CPT Codes: 85307
LPCH EPIC Code: LAB846
SHC EPIC Code: LABAPC
Causes For Rejection: Specimen improperly labeled, clotted, gross hemolysis, improperly filled tube, sent frozen but received thawed.
Department: Coagulation