Methodology
Immunoassay (IA)
Synonyms
Cancer Antigen 15-3, CA15-3
Specimen Type
Serum
Performing Lab
Quest Diagnostics San Juan Capistrano
Epic ID
Other Reference Test
Lab Test Days
Tuesday, Thursday, and Saturday
Standard TAT
3-4 Days
Collection Information
Specimen Required
2 mL Blood
Container Type
Red Top (No Additive)
Processing Information - Lab Use Only
Transport Temperature
Refrigerate-OK/Frozen-OK/Ambient-OK
Specimen Stability
Room Temp: 7 Days; Refrigerated: 7 Days; Frozen: 28 Days
Rejection Criteria
Gross hemolysis; Gross lipemia; Plasma samples are
Test Volume Required
1 mL Serum
Minimum Test Volume
0.5 mL Serum
CPT Codes
86300
Revised
09-13-22