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Test Code CA2729 Cancer Antigen 27-29 (CA 27-29), Serum

Additional Codes

Sunrise Clinical Manager (SCM) Orderable:  

CA, 27.29

AllScripts (AEHR) Orderable: 

CA, 27.29

Performing Laboratory

Northwell Health Laboratories


Immunoenzymometric Assay


Serum levels of CA 27-29 should not be interpreted as absolute evidence of the presence or absence of disease. The CA 27-29 value should be used in conjunction with information obtained from clinical diagnostic procedures.

Specimen Requirements

Container/Tube:  Gold-top tube(s)

Specimen:  1 mL of serum

Transport Temperature:  Refrigerate

Stability:   4 Days Room Temperature

                  7 Days Refrigerated

                 14 Days Frozen


Reference Values

0.0 - 38.6 U/mL

Test Classification and CPT Coding


Day(s) and Time(s) Performed

Monday through Sunday

Computer Interface Code

PDM # 5302590

Useful For

FDA-approved cancer-associated antigen (CA 27.29) for serial testing in women with prior stage II or III breast cancer who are clinically free of disease


Predicting early recurrence of disease in women with treated carcinoma of the breast


As an indication that additional tests or procedures should be performed to confirm recurrence of breast cancer