CHROMOGRANIN - A

Specimen Required
Draw blood in a plain red-top tube. Centrifuge, separate and send 1.0 mL serum (0.5 mL minimum) refrigerated in a screw-capped plastic vial.

Alternate Specimen
SST

Rejection Criteria
Plasma

Methodology
Quantitative Enzyme Immunoassay

Stability
Room Temperature: 48 hours; Refrigerated: 14 days; Frozen: 6 weeks

Reference Range
0-95 ng/mL

Performed
Monday, Wednesday, Friday

Turnaround Time2-7 days
Test CodeCHROA
CPT-4 Code (s)
86316 RUO
LOINC Codes
9811-1

Warde
Medical
Laboratory