Chromogranin A
Order Name
CHROMOG A
Test Number: 3803557
Revision Date 12/12/2022
Test Number: 3803557
Revision Date 12/12/2022
| Test Name | Methodology | LOINC Code |
|---|---|---|
|
Chromogranin A
|
Thermo Fisher BRAHMS Kryptor | 9811-1 |
| SPECIMEN REQUIREMENTS | ||||
|---|---|---|---|---|
| Specimen | Specimen Volume (min) | Specimen Type | Specimen Container | Transport Environment |
| Preferred | 1 mL (0.5 mL) | Serum | Clot Activator SST | Frozen |
| Alternate 1 | 1 mL (0.5 mL) | Serum | Clot Activator (Red Top, No-Gel) | Frozen |
| Instructions | Notes: 0.3 mL (Note: This volume Does NOT allow for repeat testing.) Specimen Type: Gel-barrier tube Specimen Storage: Room Temperature Specimen Collection: Transfer separated serum to a plastic transport tube. Special Instructions: Values obtained with different assay methods should not be used interchangeably in serial testing. It is recommended that only one assay method be used consistently to monitor each patient's course of therapy. Specimen Stability: Ambient: 7 days, Refrigerated : 14 days, Frozen: 14 days |
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| GENERAL INFORMATION | |
|---|---|
| Expected TAT | 3 - 5 days |
| Performing Labcorp Test Code | 140848 |
| Notes | The Thermofisher/BRAHMS KRYPTOR® assay employs Time-Resolved Amplified Cryptate Emission Cryptate Emission (TRACE) technology based on a non-radioactive energy transfer between a donor (europium cryptate) and an acceptor (XL665) in a sandwich immunofluorescent format using two mouse monoclonal antibodies.37-40 This assay is calibrated against recombinant human CG, and according to the manufacturer's package insert. Labcorp Test Code: 140848 |
| CPT Code(s) | 86316 |
| Lab Section | Reference Lab |