CHROMOGRANIN A, SERUM

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

Alternate Specimen
SST

Rejection Criteria
Plasma

Methodology
Immunofluorescence assay

Stability
Room Temperature: 48 hours; Refrigerated: 3 days; Frozen: 4 weeks

Reference Range
0-103 ng/mL

Performed
Monday, Wednesday, Friday, Sunday

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

Warde
Medical
Laboratory