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HelpTest Code CA 125 Cancer Antigen 125 (CA 125), Serum
Specimen Requirements
Draw blood in a plain, red top tube or a serum gel tube. Spin down and send 1 mL of serum refrigerated.
Specimen Stability
| ROOM TEMP | REFRIG 2-8 DEGREES | FREEZE -20 DEGREES |
| 8 HRS | 5 DAYS | 24 WEEKS |
Performing Laboratory
Conway Regional Laboratory Services
Reference Values
<35 U/mL
Do not interpret serum levels of CA 125 as absolute evidence of the presence or absence of malignant disease. Measurements of CA 125 should always be used in conjunction with other diagnostic procedures, including information from the patient’s clinical evaluation.
Patients with renal insufficiency, including diabetics, retention could be much longer. Such specimens can produce either falsely elevated or falsely depressed values and should not be tested with this assay.
Methodology
Chemiluminescence
Day(s) Test Set Up
Monday through Saturday
Available STAT
Test Classification and CPT Coding
86304