Pancreatic Polypeptide, Plasma (Referred out) - Saskatoon
Discipline
Biochemistry
Overview
Description
Test ordering requirements
Preferred Specimen Collection
-
Refer patient to a Dynacare Laboratory Health Services Centre or a Hospital Test Centre able to process specimens within required time frame
Alias
- Human Pancreatic Polypeptide
Specimen Information
Specimen types accepted
- Plasma
Specimen collection container
- Preferred collection container: Lavender (EDTA)
-
Alternative collection container: None
Collection procedure
- Collect after 8 hour fast
- Collect on ice
- Refrigerated centrifuge is not required
Required volume
- Optimal volume: Two 4 mL full collection tubes
- Minimum volume: 3 mL
(Submitting the minimum volume makes it impossible to repeat the test or perform confirmatory/reflex testing. In some situations, a minimum volume may require a second collection.)
- Pediatric volume: 0.35 mL
Rejection criteria
- Specimens received where the proper collection protocols were not followed
- Pathology and Laboratory Medicine Acceptance and Rejection Criteria
Testing Information
Clinical interpretation
- Detection of pancreatic endocrine tumors
- Assessment of vagal nerve function after meal or sham feeding
- High levels may be seen in pancreatic endocrine tumors, diabetes, and non-fasting state
- Markedly elevated levels may be seen in some pancreatic exocrine tumors
- A normal response to a sham feeding consists of a rapid PP rise over baseline. With vagal damage, no increase over baseline is seen
Performance
Days/times performed
Availability |
|
Testing site |
|
Maximum laboratory time
Results reporting
- 8 day turn around time by testing laboratory
Last Updated: October 9, 2024