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HelpTest Code LAB155 Cancer Antigen 125 (CA125)
Specimen Requirement
1.0 ml serum; SST acceptable.
Specimen Stability
7 days at 2-8° C
Freeze at -20 degrees if >7 days
Testing Schedule
Daily
Reference Range
<35 U/mL
Testing Department
Chemistry
Method
2 step Immunoassay Chemiluminescent Microparticle Immunoassay (CMIA)
CPT Code
86304
Outpatient Turnaround Time
24 hours after receipt
Inpatient STAT Turnaround Time
60 minutes after receipt
Inpatient Routine Turnaround Time
4 hours after receipt