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HelpTest ID CEASF Carcinoembryonic Antigen (CEA), Spinal Fluid
Useful For
Detecting meningeal carcinomatosis and intradural or extradural infiltration
Differentiating brain parenchymal metastasis from adenocarcinoma or squamous-cell carcinoma
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Specimen Type
CSFSpecimen Required
Collection Container/Tube: Sterile vial
Submission Container/Tube: 13 x 75-mm tube
Specimen Volume: 0.5 mL
Collection Instructions: Submit specimen from collection vial number 1.
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| CSF | Refrigerated (preferred) | 14 days |
| Frozen | 90 days | |
| Ambient | 7 days |
Reference Values
<0.6 ng/mL
Tumor markers are not specific for malignancy, and values may vary by method.
Day(s) Performed
Monday through Saturday
CPT Code Information
82378
Report Available
1 to 3 daysReject Due To
No specimen should be rejectedForms
If not ordering electronically, complete, print, and send an Oncology Test Request (T729) with the specimen.