NT ProB-Natruiuretic Peptide (BNP)

Test Code
LAB3553


Alias/See Also
1231100418


CPT Codes
83880

Includes
NT PROBNP
NT PROBNP INTERP


Preferred Specimen
CLINIC COLLECTIONS: Green Lithium Heparin tube (Gel separator preferred)


Minimum Volume
CLINIC COLLECTIONS: 0.5 mL plasma


Instructions
CLINIC COLLECTIONS: Collect 0.5 ml plasma in Green Lithium Heparin tube (Gel separator preferred). Must be spun within 2 hours after collection. If no gel separator, plasma must be pulled off cells within 2 hours.

If collecting with AST, ALT, VD25, K+, or LDH, label routes to Gold/SST. Collect 1.0 mL of serum in Gold/SST. Must be spun within 2 hours after collection.


Transport Temperature
Refrigerated


Specimen Stability
Room temperature (20 to 25°C): 48 hours    
Refrigerated (2°C to 8°C): 3 days
Freezer (-20°C or colder): 30 days
1. Remove serum or plasma from the clot, red blood cells, or separator gel if testing will be delayed more than 24 hours. 
2. Avoid more than 3 freeze/thaw cycles.


Methodology
Abbott Alinity

Reference Range
Males:
0-1 Years: 29.6-1594.0 pg/mL
1-18 Years: 11.0-214.0 pg/mL
18-50 Years: 15.8-180.3 pg/mL
50-75 Years: 15.8-451.6 pg/mL
75 Years and above: 15.8-683.0 pg/mL
Females:
0-1 Years: 29.6-1594.0 pg/mL
1-18 Years: 11.0-214.0 pg/mL
18-50 Years: 15.8-104.8 pg/mL
50-75 Years: 15.8-334.1 pg/mL
75 Years and above: 15.8-956.1 pg/mL


Performing Laboratory
ARKADELPHIA LABORATORY CONWAY LABORATORY FORT SMITH LABORATORY HEBER SPRINGS LABORATORY LITTLE ROCK LABORATORY NORTH LITTLE ROCK LABORATORY STUTTGART LABORATORY VAN BUREN LABORATORY MALVERN LABORATORY EL DORADO LABORATORY MAGNOLIA LABORATORY DREW COUNTY LABORATORY


Last Updated: August 26, 2026


The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.