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CA 19-9, Pleural Fluid

Test Code
17642


CPT Codes
86301

Preferred Specimen
3 mL pleural fluid in a sterile transport tube


Minimum Volume
2 mL


Transport Temperature
Frozen


Specimen Stability
Room temperature: 72 hours
Refrigerated: 7 days
Frozen: 28 days


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Lipemia


Methodology
Immunoassay (IA)

Setup Schedule
A.M. Sets up 1 day a week.


Clinical Significance
Measurement of pleural fluid tumor markers on patients with negative cytologic analysis may indicate the need for confirmatory pleural biopsy




The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.