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CA 125

Source Blood 
Mnemonic C125 
Specimen Requirements

1 x 5 mL gold top SST tube

1.0 mL serum

Minimum Blood Volume for Patients less than 45 kg (100 lb) Including Neonates and Pediatrics

DO NOT collect during menstruation.
For TBCC patients, collect blood even if patient is menstruating.

 
Specimen Handling  
Additional Information

Ovarian Tumor Marker

CA 125 can also be performed on fluids (test mnemonic FLC125)

 
Testing Location RIA 
Testing Frequency Twice weekly 
Alternate Name(s)  
Reference Interval Female: <35 KU/L 


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