NT-pro Brain Natriuretic Peptide, Plasma or Serum

Test Code

BNPC - NOCO

CPT Codes
83880

Preferred Specimen

1 mL plasma from Green top (Lithium Heparin)

Minimum Volume

0.5 mL

Other Acceptable Specimens

1 ml serum from Serum Gel or Red Top
NCMC Only: 1 ml plasma from Purple top (EDTA)

Specimen Stability

Specimen Type	Temperature	Time
Plasma Li Hep	Refrigerated	72 hours
Serum SST	Refrigerated	72 hours
Red Top – Separated*	Refrigerated	72 hours
Plasma EDTA – Separated*	Refrigerated	72 hours

*Centrifuge and aliquot into a plastic vial.

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Gross hemolysis

Methodology

Setup Schedule

Monday through Sunday; Continuously

Report Available

Same day

Limitations

NT-proBNP levels are affected by several factors other than acute CHF, such as acute coronary syndrome, pulmonary embolism, shock, atrial arrhythmias, severe pneumonia, renal insufficiency or prior CHF.

Reference Range

Refer to the Chemistry Reference Range and Critical Results documents in the Resources file on the facility test directory page.

Performing Laboratory
Banner Fort Collins Medical Center Laboratory
North Colorado Medical Center Laboratory

Last Updated: August 13, 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.