NT-proBNP, Plasma/Serum - Saskatoon
Discipline
Biochemistry
Overview
Description
- Not to be confused with BNP
Alias
- N-terminal pro B-type natriuretic peptide
- BNP not available, order NT- proBNP
Specimen Information
Specimen types accepted
- Plasma or serum
Specimen collection container
- Preferred collection container: Blood – Lithium Heparin (gel)
- Alternative collection container: Blood – Gold (gel), Red (no gel)
Collection procedure
- Cannot use to monitor endogenous BNP levels during nesiritide therapy
Required volume
- Optimal volume: 4.5 mL Full collection tube
- Minimum volume: 1.0 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.)
Transport and stability
- 6 days at 2 - 6ºC
Rejection criteria
- Specimens received where the proper collection protocols were not followed
- Pathology and Laboratory Medicine Acceptance and Rejection Criteria
Performance
Methodology
- Electrochemiluminescence immunoassay
Days/times performed
Availability |
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Testing Site |
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Maximum laboratory time
- In Hospital reported within 2 hours
- Community urgent and inter-hospital reported within 4 hours
- Community routine reported within 24 hours
Specimen retention time
- 3 days
Last Updated: October 8, 2024