| Laboratory: | Clinical Biochemistry (SENDOUTS) |
| 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: |
Preferred Device:
|
| Specimen Required: |
Plasma: 1.0 mL
Special Processing: Separate and freeze immediately. Store and send frozen.
If the specimen thaws, it is unsuitable for analysis.
Rejection criteria: - Not frozen - Serum or non-EDTA plasma
Frozen: 6 months |
| Referral: |
Plasma: 1.0 mL
Pediatric Plasma: 0.4 mL
Referred Out Location: Specimen referred from HSC-MS5 to:
In-Common Laboratories (ICL) Test ID: CHRA Test Name: Chromogranin A, Plasma Testing location: London Health Sciences Centre, ON |
| Requisition: | |
| Reference Values: |
Reference Intervals: ≤76 ng/mL
Chromogranin A results may be falsely elevated in patients treated with proton pump inhibitors
Method of Analysis: Fluorescent Immunoassay |
| Availability: |
Within 2 Weeks
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| See Also: | |
| More Information: |