CHROMOGRANIN - A

Test Documentation
Specimen Required
Draw blood in a plain red-top tube. Centrifuge, separate and send 0.8 mL serum (0.3 mL minimum) refrigerated in a screw-capped plastic vial.

Alternate Specimen
SST

Rejection Criteria
Gross hemolysis; gross lipemia; gross icterus

Methodology
Electrochemiluminescence

Stability
Room Temperature: 7 days; Refrigerated: 7 days; Frozen: 5 weeks

Reference Range
1.9-15.0 ng/mL

Performed
Sunday-Friday

Turnaround Time5-7 days
Test CodeCHROA
CPT-4 Code (s)
86316
LOINC Codes
9811-1

Warde
Medical
Laboratory