Inpatient and Outpatient Orderable

Chromogranin A (CgA) Build info

Synonyms

  • CHROMOGRANIN A
  • LAB10009

Short Name

CHROMOGRANIN A

Procedure Master Number

LAB10009

Procedure ID

167407

Clinical Info

Aids in follow-up or surveillance of patients with known or treated carcinoid tumors. May be useful in monitoring nonsecretory sympathetic and parasympathetic neuroendocrine tumors.

Specimen Sources

 Blood, Arterial Blood, Capillary Blood, Central Line Blood, Venous

Specimen Types

 Blood

Container

Gold Top Tube

Collection Instructions

Container/Tube: Gold top tube or Red top tube
Specimen: 0.5 mL serum (0.3 mL min)

Transport Instructions

Refrigerated

Specimen Stability

7 Days Room Temperature
14 Days Refrigerated 
3 Months  Frozen

Methodology

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.

Days Performed

TAT   4- 7 days

Performing Laboratory

LabCorp

CPT

86316
LOINC Code: 25587-7

PDM

 5910049

Only Orderable at Locations:

 Orderable Everywhere

Results
Component Name Base Name Common Name External Name
CHROMOGRANIN A CHROMOGRANIN CHROMOGRANIN A Chromogranin A