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Test Code CA125 Cancer Antigen 125

Additional Codes

Hospital Ordering Code
LAB155   CA125

Specimen Requirements

Container/Tube Type: 

Green No Gel (Lithium Heparin)
Light Green (Lithium Heparin Plasma Separator Tube)
Red (No Additive)
SST (Serum Separator)

 

Preferred Collection Container: 

Green No Gel (Lithium Heparin)
Light Green (Lithium Heparin Plasma Separator Tube)

 

Also Acceptable Collection Container: 

Plasma from Lavender tubes is acceptable but will not route in the Laboratory Information System (Sunquest).

 

Transport Information: 

1 mL serum, frozen.

 

Minimum Sample Volume: 

0.5 mL

 

Remarks: 

Separate serum from cells ASAP. Avoid repeated freeze/thaw cycles. CA 125 II assay testing is not recommended as a screening procedure to diagnose cancer in the general population.

Stability

Refrigerated Stability: 

7 days

 

Frozen Stability: 

6 months (Avoid repeated freeze/thaw cycles)

Performing Laboratory

Pathology Laboratory, UnityPoint Health, Des Moines

CPT

86304

Methodology

Electrochemiluminescence

 

Interpretive Data: 

The testing method is an electrochemiluminescence assay manufactured by Roche Diagnostics Inc. and performed on the Cobas system. Values obtained with different assay methods or kits may be different and cannot be used interchangeably.

Performance

Sun-Sat

 

Analytical Time: 

Same day

 

Testing Laboratory: 

Pathology Laboratory

 

Laboratory Section: 

Core Laboratory

Alias

CA125 (Cancer Antigen 125), Cancer Antigen 125, Carbohydrate Antigen 125, OV Monitor, Ovarian Cancer-Related Antibodies, Cancer Ag 125 (CA 125), Serum