Methodology
Immunoassay (IA)
Synonyms
Heparin Associated Platelet Antibody
Specimen Type
Serum or Plasma
Performing Lab
Quest Diagnostics San Juan Capistrano
Epic ID
LAB01233
Lab Test Days
Daily
Standard TAT
1 Day
Collection Information
Specimen Required
1-2 mL Blood
Container Type
Red Top (No Additive)
Collection Instructions
Plasma collected in a sodium citrate (blue-top) tube is also acceptable.
Processing Information - Lab Use Only
Transport Temperature
Frozen Only
Specimen Stability
Room Temp: Unacceptable; Refrigerated: Unacceptable; Frozen: 6 Months
Rejection Criteria
Gross hemolysis; Icteric specimen; Lipemic specimen; Serum separator tube (SST)
Test Volume Required
1 mL Serum or Plasma
Minimum Test Volume
0.4 mL Serum or Plasma
Processing Instructions
For serum: Centrifuge red top tube 15 minutes at approximately 1500 g as soon as possible after clotting. For plasma: Centrifuge blue top tube 20 minutes at approximately 2500 g. Remove plasma from cells as soon as possible.
CPT Codes
86022
Revised
7/11/24
Initials
SA