Laboratory: Clinical Biochemistry
Test Name:
CHROMOGRANIN A - (S)
Test Code: CHRA
Clinical Information:
Proton pump inhibitor drugs should be discontinued for at least 2 weeks before collection.
Collection Devices:
Specimen Required:


Serum: 1.0 mL

Store and ship frozen. Send two aliquot tubes (1.0 mL each).
Referral:

Shipping & Storage: Store and ship frozen. Send two aliquot tubes (1.0 mL each).
Requisition:
Reference Values:
 < 93 ng/mL
Availability:
Within 1 Week
See Also:
More Information:
Serum frozen on dry ice sent to Mayo Medical Laboratories.