CHROMOGRANIN A

Mnemonic

CGA

Specimen Collection Requirements

Collect

Serum, one 4.0 mL gold (SST) or plain red top tube

Handling

Separate serum from cells. Transfer serum from cells to aliquot tube.

Preferred Volume

1.0 mL

Minimum Volume

0.5 mL (Whole Blood 1.2 mL minimum draw)

Transport

Frozen

Rejection Criteria

Plasma, icteric or lipemic specimens

Stability

AFTER SEPARATION FROM CELLS: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 6 weeks

Testing Information

Performed

Mon, Wed, Fri

Reported

2-8 days

Method

Quantitative Enzyme Immunoassay

Referral Lab

ARUP (3002867)

Reference Values

Reference Values

0-160 ng/mL

Comments

Results obtained with different assay methods or kits cannot be used interchangeably.

CPT Codes

86316

Last Updated: Thursday, January 5, 2017 03:42:03 AM