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HelpTest ID BLOD0126 Chromogranin A, Serum
Useful For
Aiding in monitoring disease progression during the course of disease and treatment in patients with gastroenteropancreatic neuroendocrine tumors (grade 1 and grade 2) when used in conjunction with other clinical methods
This test is not indicated for use as a stand-alone monitoring assay.
Specimen Type
SerumSpecimen Required
Patient Preparation: For at least 2 weeks before specimen collection, patient should stop taking proton pump inhibitor medications.
Supplies: Sarstedt Aliquot Tube, 5 mL (T914)
Collection Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 0.5 mL
Collection Information: Centrifuge and aliquot serum into plastic vial. Do not submit in original tube.
Specimen Minimum Volume
0.2 mL
Reject Due To
| Gross hemolysis | Reject |
| Gross lipemia | OK |
| Gross icterus | OK |
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Serum | Frozen (preferred) | 90 days | |
| Ambient | 48 hours | ||
| Refrigerated | 48 hours |
Day(s) Performed
Monday through Saturday
Report Available
1 to 3 daysMethod Name
Immunofluorescent Assay (IFA)
Performing Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
86316
Reporting Name
Chromogranin A, SReference Values
<93 ng/mL
Reference values apply to all ages.
Test Classification
This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.Forms
If not ordering electronically, complete, print, and send 1 of the following forms with the specimen:
-General Request (T239)
-Oncology Test Request (T729)
Secondary ID
34641SANFORD INTERFACE BUILD INFORMATION
| Result Code | Result Code Description |
|---|---|
| 13047 | Chromogranin A, S |