Home
HelpTest Code Soft: BNPR | Epic: LAB4689 NT-pro-BNP
Additional Codes
Epic EAP: LAB4689
Epic Description: NT-PRO NATRIURETIC PEPTIDE
All Ochsner system sites.
Synonym
BNP
NPA
N.P.A.
PROBNP
Specimen Type
Blood
Specimen Required
| Collection Container | Preferred Volume | Minimum Volume | |
|---|---|---|---|
| Preferred |
Green, Lithium Heparin with Inert Gel |
4.5 mL | 1.0 mL |
LAFAYETTE REGION:
| Collection Container | Preferred Volume | Minimum Volume | |
|---|---|---|---|
| Preferred |
Green, Lithium Heparin with Inert Gel |
4.5 mL | 1.0 mL |
| Alternate |
Gold Top – SST Lavendar EDTA |
4.5 mL | 1.0 mL |
Instructions for Collection and Transport
SOUTHSHORE REGION:
Centrifuge specimen and deliver to laboratory. Stability: Room temperature 20 – 25°C for 48 hours, Refrigerated 2 – 8 °C up to 72 hours, Frozen at ≤ -20°C for 30 days.
LAFAYETTE REGION:
Centrifuge specimen. If not collected in gel tube, aliquot plasma into plastic tube. Deliver to laboratory. Plasma is stable at room temperature for 48 hours, refrigerated up to 72 hours and frozen at ≤ -20°C for 30 days.
Reference Ranges
|
Age Group (Years) |
NT-ProBNP Range (pg/mL) | Interpretation |
|---|---|---|
| ≥18 | <300 pg/mL | Heart Failure Unlikely |
| 18 to <50 | ≥300 to <450 pg/mL | Grayzone: Indeterminate. Consider outher causes of NT-proBNP elevation. |
| 50 to 75 | ≥300 to <900 pg/mL | Grayzone: Indeterminate. Consider other causes of NT-proBNP elevation |
| >75 | ≥300 to <1800 pg/mL | Grayzone: Indeterminate. Consider other causes of NT-proBNP elevation |
| 18 to <50 | ≥450.0 pg/mL | Positive: Heart failure likely |
| 50 to 75 | ≥900.0 pg/mL | Positive: Heart failure likely |
| >75 | ≥1800.0 pg/mL | Positive: Heart failure likely |
*RI not established for pediatric population
Aliquot Requirements
Plasma
Optimum 1.5 mL
Minimum 0.5 mL
Lafayette Region:
Optimum volume: 4.0 mL
Minimum volume: 3.5 mL
Performing Lab
Chemistry Lab
Lafayette Region - OLGH, LGOH, ULGH, OAGH, OAKMH, STMH, OALH
Assay Frequency
24 Hours
Routine Turnaround Time
3 hours
LAFAYETTE REGIONS: 2 days, excluding weekends and holidays.
CSR Storage Requirements
Centrifuge specimen. Aliquot plasma into plastic tube. Deliver to laboratory. Plasma is stable at room temperature for 4 hours, refrigerated up to 24 hours and frozen for 3 months.
LAFAYETTE REGION:
Room temperature 20 – 25°C for 48 hours
Refrigerated 2 – 8 °C up to 72 hours
Frozen at ≤ -20°C for 30 days.
CPT Code Information
83880