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NT-pro B-Type Natriuretic Peptide, Plasma or Serum
Test CodePBNP
Alias/See Also
PBNP
Plasma NT-pro B-Type Natriuretic Peptide
Serum NT-pro B-Type Natriuretic Peptide
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).
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