CHROMOGRANIN A

Synonyms: CgA
Computer Code: (RCGRN)
Specimen Collection: 4 mL blood (red, gold top tube).
Minimum Volume: 1.5 mL
Handling Instructions for Offsite Areas: Allow to clot, centrifuge, remove serum, Freeze. Min 0.3 mL serum. Serum must be FROZEN immediately. Any delay in freezing will be cause for rejection.
Reference Values: See reference laboratory report.
Lab Code: Send Out
Requisition: SPEC C
Test Frequency: NA
Routine TAT: 5 days
Stat TAT: N/A
CPT Code(s): 86316
LCD or NCD:
Methodology Used:
See Addendum XVII