ProBNP, N Terminal

Test Code
76434

Alias/See Also
NT-BNP
NT BNP
PRO BNP
BNP

CPT Codes
83880

Preferred Specimen
Serum

Minimum Volume
0.3 mL

Other Acceptable Specimens
plasma from EDTA or Lithium Heparin tube

Instructions
Barrier tubes (serum separator tubes or plasma separator tubes) are preferred. If non-barrier tubes are utilized, the serum/plasma must be removed immediately after centrifuging and placed in a screw-cap transfer tube.

Collection notes: Avoid hemolysis. Invert tubes at least 8 times. Allow to clot in an upright position for 30 minutes. Within 2 hours, centrifuge tubes 10 minutes. Keep tightly stoppered.

Do NOT re-centrifuge tubes. Do NOT freeze the primary collection tube.

Transport Container
Original tube preferred, may be sent in a screw-top transfer tube.


Transport Temperature
Room Temperature or Refrigerated


Specimen Stability
Room Temperature = 3 days
Refrigerated = 6 days
Frozen = 2 year

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolysis, Lipemia, incorrect specimen type, insufficient sample volume, improper storage conditions, exceeds specimen stability guidelines, contaminated sample.


Methodology
Electrochemiluminescence (ECLIA)

Setup Schedule
DAILY
AU

Report Available
daily

Clinical Significance
BNP is used to aid in the diagnosis of Left Ventricular Dysfunction in heart failure. In contrast with BNP measurements, the N-Terminal Pro-BNP test does not have interference with a drug to treat Left Ventricular Dysfunction

Performing Laboratory
CompuNet Clinical Laboratories, LLC
2308 Sandridge Drive
Moraine, OH 45439



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.