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HelpTest Code LAB8161 Carcinoembryonic Antigen (CEA), Peritoneal Fluid
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Reporting Name
CEA, Peritoneal FluidSpecimen Type
PeritonealSpecimen Required
Sources: Peritoneal, abdominal, ascites, paracentesis fluid (peritoneal washings are not acceptable)
Container/Tube: Plain, plastic, screw top tube
Specimen Volume: 2 mL
Reject Due To
| Gross hemolysis | Reject |
| Gross lipemia | OK |
| Gross icterus | OK |
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Peritoneal | Frozen (preferred) | 90 days |
| Ambient | 7 days | |
| Refrigerated | 7 days |
Specimen Minimum Volume
0.5 mL
Day(s) Performed
Monday through Saturday
Specimen Retention Time
12 monthsReport Available
1 to 3 daysReference Values
An interpretive report will be provided.
Useful For
An adjunct to cytology to differentiate between malignancy-related and benign causes of ascites formation
CPT Code Information
82378
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| CEAPT | CEA, Peritoneal Fluid | 40622-3 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| CEAPN | CEA, Peritoneal Fluid | 40622-3 |
| SITED | Site | 39111-0 |
Forms
If not ordering electronically, complete, print, and send an Oncology Test Request (T729) with the specimen.