GCLabs

Search for Test Items

Chromogranin A

GC Labs code	N132	Test Field	Tumor marker

GC Labs code

N132

Test Field

Tumor marker

Information

Test method	ELISA (Enzyme linked immunosorbent assay)
Specimen (mL)	S 1.0 Heparin P 1.0
Specimen storage	Frozen
Specimen stability	Refrigerated (7 days)
Test schedule	Wed
Analytical time (day)	1

Test method

ELISA (Enzyme linked immunosorbent assay)

Specimen (mL)

S 1.0
Heparin P 1.0

Specimen storage

Frozen

Specimen stability

Refrigerated (7 days)

Test schedule

Wed

Analytical time (day)

Reference range/Unit	[Plasma] ≤ 108.00 (ng/mL) [Serum] ≤ 108.00 (ng/mL)
Clinical Significance
Compulsory forms
Remark	Gastric acid inhibitors can stimulate CgA secretion in neuroendocrine tissues, causing significant increase in CgA levels. Medication should be stopped two weeks before the test.

Reference range/Unit

 [Plasma]
≤ 108.00 (ng/mL)

 [Serum]
≤ 108.00 (ng/mL)

Clinical Significance

Compulsory forms

Remark

Gastric acid inhibitors can stimulate CgA secretion in neuroendocrine tissues, causing significant increase in CgA levels. Medication should be stopped two weeks before the test.