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NT-Pro B-Type Natriuretic Peptide (NT-ProBNP), Serum/Plasma

Test ID: NTBNP
Orderable by Ontario ND
Test
Specimen
Performance / Interpretation
Interface / Setup

Test

Method

ECLIA

Report Includes

NT-Pro B-Type Natriuretic Peptide (NT-ProBNP)

Specimens

Serum; Plasma (Li Heparin); Plasma (EDTA)
Note: Testing is available for BNP as well as for the pro-hormone NT-ProBNP. Please ensure that your order for NT-ProBNP is unambiguous and submit the appropriate specimen. Non-interfaced clients may specify the Test ID NTBNP when ordering NT-ProBNP.

Test Location

St. Michael's Hospital, 30 Bond Street, Toronto ON M5B 1W8

Test Version

29-Jun-2023

Specimen

Specimens

Serum; Plasma (Li Heparin); Plasma (EDTA)
Note: Testing is available for BNP as well as for the pro-hormone NT-ProBNP. Please ensure that your order for NT-ProBNP is unambiguous and submit the appropriate specimen. Non-interfaced clients may specify the Test ID NTBNP when ordering NT-ProBNP.

Collection Containers

Preferred

Gold top (clot activator & gel)

Acceptable

Red top (no additive); Lavender top (EDTA); Green top (sodium heparin)

Sample Volume

1 mL

Collection & Handling

Handling Information

Separate as soon as possible. Store and send frozen.

Stability

Ambient 3 days
Refrigerated 6 days
Frozen 24 months

Test Version

29-Jun-2023

Performance / Interpretation

Method

ECLIA

Turnaround Time

2 days

Results

Name Units Reference Range Conversion Factor
NT-Pro B-Type Natriuretic Peptide (NT-ProBNP) ng/L
  • Rule-in NT-proBNP values for Cardiac Cause of Dyspnea in Acute Care setting:
  • < 50 y: > 450
  • 50 - 75 y: > 900
  • >75 y: > 1800
  • Ambulatory Care setting:
  • <50 y: > 125
  • 50 - 75 y: > 250
  • >75 y: > 500

Test Location

St. Michael's Hospital, 30 Bond Street, Toronto ON M5B 1W8

Test Version

29-Jun-2023

Interface / Setup

HL7 Interface Codes

Order Code Result Codes Units
NTBNP 28210NT-proBNP ng/L

Test Version

29-Jun-2023