Home
HelpTest Code PF199 Carbohydrate Antigen 19-9 (CA 19-9), Pleural Fluid
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Specimen Type
Pleural FluidSpecimen Required
Patient Preparation: For 12 hours before specimen collection, patient should not take multivitamins or dietary supplements (eg, hair, skin, and nail supplements) containing biotin (vitamin B7).
Source: Pleural fluid, thoracentesis fluid
Container/Tube: Plain, plastic, screw-top tube
Specimen Volume: 2 mL
Specimen Minimum Volume
0.5 mL (Samples <0.5 mL may be rejected)
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Pleural Fluid | Frozen (preferred) | 90 days |
| Refrigerated | 14 days | |
| Ambient | 7 days |
Reference Values
An interpretive report will be provided.
Day(s) Performed
Monday through Saturday
CPT Code Information
86301
Report Available
1 to 3 daysSpecimen Retention Time
14 daysReject Due To
| Gross hemolysis | Reject |
| Gross icterus | OK |