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Test Code CA125 Cancer Antigen 125 (CA 125), Serum

Additional Codes

Sunrise Clinical Manager (SCM) Orderable:   Cancer Antigen, 125

AllScripts (AEHR) Orderable:  Cancer Antigen, 125

Performing Laboratory

Northwell Health Laboratories


Electrochemiluminescence Immunoassay (ECLIA)


Serum levels of CA 125 should not be interpreted as absolute evidence of the presence or absence of disease. The CA 125 value should be used in conjunction with information obtained from clinical diagnostic procedures.

Reference Values

≤38 U/mL

Test Classification and CPT Coding


Physician Office Specimen Requirements

Container/Tube:  Gold-top tube(s)

Specimen:  1 mL of serum

Transport Temperature:  Refrigerate

Stability: 8 Hours Room Temperature

                 5 Days Refrigerated

                24 weeks Frozen

Day(s) and Time(s) Performed

Monday through Sunday,Continuously

Computer Interface Code

PDM # 5302060