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16379: Chromogranin A Print View
Chromogranin A     ng/mL 

PRIMARY
1 Serum Red Top 1 (0.5) mL   Frozen - 14 Day(s)/Refrigerated - 7 Day(s)/Room Temperature - 7 Day(s)  
ALTERNATE
  Serum Separator Tube 1 (0.5) mL   Frozen - 14 Day(s)/Refrigerated - 7 Day(s)/Room Temperature - 7 Day(s)  

Chromogranin A (CgA) is used as an adjunct in the diagnosis of carcinoid tumors. Measurements of CgA are also used to assess disease progression, response to therapy, or recurrence after surgical resection.

Collect blood in red-top tube or serum separator tube.
Centrifuge and separate the serum from the cells. Treatment
with proton-pump inhibitors or H2-receptor blockers will
cause an increase in Chromogranin A concentrations.
Setup Schedule
Sunday-Friday

Reported (Analytical Time)
Next day

CPT Code
86316

The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

Notes
**This test is not available for New York patient testing. For New York patient testing use test code 35798 - Chromogranin A, Serum**

Transport Temperature: Room Temperature

Reject Criteria: Moderate to gross hemolysis; moderate to grossly lipemic; icteric

Methodology: Enzyme-Linked Immunosorbent Assay






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