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HelpTest Code BNP NT-Pro B-Type Natriuretic Peptide (BNP), Plasma
Additional Codes
LAB1780
Performing Laboratory
Central Peninsula Hospital
Collection Method
Venipuncture
Container
Lt Green / Plasma Separator / Lithium Heparin
Specimen Type
Preferred
- Plasma- Light Green Top (Lithium heparin)
Acceptable
- Serum- Gold Top SST or Red Top
Minimum Volume
0.5ml
Specimen Stability
| Ambient | 3 days |
| Refrigerated (4°C to 8°C) | 6 days |
| Frozen(-40°C to 0°C) | 2 years |
Reference or Target Ranges
<300 pg/mL
Report Comment:
NT-proBNP levels below 300 pg/mL have a 99% negative predictive value for excluding acute heart failure.
High probability of heart failure is associated with the following ranges:
18 - 49 Years: ≥ 450
50 - 75 years: ≥ 900
> 75 years: ≥ 1,800
Reportable Units
pg/mL
Critical Value
Not defined for this assay
Reasons for Rejection
| Hemolysis Threshold | 1000 mg/dL |
| Icterus Threshold | 25 mg/dL |
| Lipemia Threshold | 1500 mg/dL |
| Other | QNS, contaminated, improperly labeled, improper specimen type |
Performance Information
| Days and Time Performed | 24/7 |
| Expected Turn Around Time |
Stat: 1 hour Routine: 4 hours |
| Stat Availability | Yes |
| Performing Bench | CPH Chemistry |
| Methodology/Method Description | Roche Cobas |
CPT Codes
83880
Last review/edit date
2025