Test Overview
Method
Fluorescence immunoassay (FIA)
Result Included
Chromogranin A
Specimen
Specimen Type
Plasma (EDTA)Volume
Sample Volume
1 mL
Minimum Volume
0.4 mL
Pediatric
Minimum
0.25 mL
Patient Preparation
Abstain from proton pump inhibitor medication for one week prior to collection.
Collection & Handling
Handling Information
Separate and freeze immediately. Store and send frozen.
Stability
| Frozen |
|---|
| 6 months |
If the specimen thaws, it is unsuitable for analysis.
Rejection Criteria
| Criteria | Specification |
|---|---|
| Specimen | Not frozen |
Performance & Interpretation
Turnaround Time
7 days
Results
Name
Units
Reference Range
Conversion
-
Chromogranin Ang/mL≤76
Chromogranin A results may be elevated in patients treated with proton pump inhibitors.
Referral Location
Canada
Interface & Setup
HL7 Interface Codes
| Order Code | Result Name | Result Codes | Units |
|---|---|---|---|
| CHRA | Chromogranin A | 36620 | ng/mL |
Test Version
Last Updated
2019-09-30