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  Chromogranin A Specimen Type:



Specimen requirements: One 4 mL SST or Plain red.
Reference ranges: 0 - 50 ng/mL
Unit of measure: ng/mL
Ideal sample: 5.0 mL Whole Blood
Absolute minimum amount: 0.5 mL serum Unacceptable: Icteric or lipemic samples.
Method of collection: N/A
Transportation: N/A
Label instructions: N/A
Request test on form: "Write in" MULTI LABS [Chem/Hem/UA/Tox/BB/Rheum] ( 151-104 )
Order/entry screen(s):  N/A
Stat frequency: N/A
Stat turn around time: N/A
Routine frequency: Monday, Wednesday, Friday
Must be in by: N/A
Routine turn around time: 3-5 Days
For Hillcrest deliver to: SCRAP : Specimen Central Receiving and
  Processing, room 2-117
For Thornton deliver to: Chemistry : Processing Desk, 1st floor, Hospital,
  room 1-013
This test is sent to : ARUP - Associated Regional & University
Scheduling requirements : N/A
Method: Enzyme Immunoassay
Special Instructions: N/A
CyberLAB abbreviation: CHR A
CyberLAB code: 8450
Lab Processing Instructions: Separate serum from cells and refrigerate.

Critical Frozen. Separate serum from cells ASAP and Freeze.

After separation from cells: Ambient :Unacceptable; Refrigerated: Unacceptable; Frozen 1 month