Carbohydrate Antigen (CA) 19-9

Test ID: 

704775

CPT code:

86301

Synonyms:

CA 19-9

Clinical Use:

Monitor gastrointestinal, pancreatic, liver, and colorectal malignancies

Additional Test Information:

This assay intended for the in vitro quantitative determination of CA 19-9 tumor-associated antigen in human serum and plasma.1 The assay is indicated for the serial measurement of CA 19-9 to aid in the management of patients diagnosed with cancers of the exocrine pancreas. The test is useful as an aid in the monitoring of disease status in those patients having confirmed pancreatic cancer who have levels of CA 19-9 at some point in their disease process exceeding the median concentration determined for the apparently healthy cohort.

Specimen Type:

Serum

Requested Volume: 

0.8mL

Minimum Volume: 

0.3 mL (Note: This volume does not allow for repeat testing.)

Container Type: 

Red-top tube or gel-barrier tube

Collection:

If red-top tube is used, transfer separated serum to a plastic transport tube.

Storage Instructions:

Refrigerate

Stability Requirements

Temperature Period
Room temperature 14 days
Refrigerated 14 days
Frozen 14 days
Freeze/thaw cycles Stable x3

Rejection Criteria

Citrate plasma specimen; improper labeling

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