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HelpTest Code CEASF Carcinoembryonic Antigen (CEA), Spinal Fluid
Reporting Name
Carcinoembryonic Ag (CEA), CSFUseful 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
Specimen Minimum Volume
0.4 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| 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
Test Classification
This test has been modified from the manufacturer's instructions. Its performance characteristics were determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the US Food and Drug Administration.CPT Code Information
82378
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| CEASF | Carcinoembryonic Ag (CEA), CSF | 2037-0 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| CEASF | Carcinoembryonic Ag (CEA), CSF | 2037-0 |
Report Available
1 to 3 daysSpecimen Retention Time
12 monthsReject Due To
No specimen should be rejectedMethod Name
Immunoenzymatic Assay
Forms
If not ordering electronically, complete, print, and send an Oncology Test Request (T729) with the specimen.