NT-pro B-Type Natriuretic Peptide, Plasma or Serum

Test Code

PBNP

Alias/See Also

PBNP
Plasma NT-pro B-Type Natriuretic Peptide
Serum NT-pro B-Type Natriuretic Peptide

CPT Codes
83880

Preferred Specimen

Submit only 1 of the following specimens: Plasma
Draw blood in a green-top (lithium heparin) tube or a lavender-top (EDTA) tube. (Lithium heparin plasma is preferred.) Spin specimen down and send 0.5 mL of plasma in plastic vial. Avoid hemolysis.
Note: 1. Indicate plasma.
2. Label specimen appropriately (plasma).
Serum
Draw blood in a plain, red-top tube. Spin specimen down and send 0.5 mL of serum in plastic vial. Avoid hemolysis.
Note: 1. Indicate serum.
2. Label specimen appropriately (serum).

Transport Temperature

Refrigerate OK/Frozen OK

Methodology
Immunometric Technique

Setup Schedule

Monday through Sunday

Reference Range

Rule out cut point:

< 300 pg/mL for all patients

Rule in cut points:

≥450 pg/mL for patients <50 years old
≥900 pg/mL for patients 50-<75 years old
≥1800 pg/mL for patients ≥75 years old

Performed By
North Mississippi Medical Center Pathology Department

Performing Laboratory
NMMC Pathology Department

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.