CHBNP – “NT proBNP” replaced by NTBNP – “NT proBNP”

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Inactivated/Replace Test

Effective Date

10/24/2023

Included in Report

WML Test Directory Update | October 2023

Replacement Test

NT proBNP

Notes

Inactivating sendout CHBNP and bringing test NTBNP in-house

Inactivated Test Details

Mnemonic

CHBNP

Ordering Code

3709260

CPT-4 Codes(s)

83880

Replacement Test Details

Mnemonic

NTBNP

Ordering Code

3000317

CPT-4 Codes(s)

83880

Turnaround Time
1 - 4 days
Performed
Tuesday, Friday
Legacy Code
NTBNP
Example Report
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Specimen Information

Collect

Serum separator tube (SST)

Specimen Preparation

Centrifuge, separate serum from cells within one hour and send 1.0 mL serum in a screw capped plastic vial.

Alternate Specimen

Plasma Li-heparin; K2-EDTA

Minimum Volume

0.5 mL

Transport Temperature

Refrigerated

Rejection Criteria

Gross hemolysis

Stability

Room temperature: 3 days
Refrigerated: 6 days
Frozen: 24 months

Methodology

Electrochemiluminescence Immunoassay (ELCIA)
more

Reference Range

<75 years of age: <125 pg/mL
>=75 years of age: <450 pg/mL
more

Performing Laboratory

Warde Medical Laboratory
more

Interface Map Changes

LOINC Code

Previous:Updated To:
83107-3Not Available

Interface Map for NTBNP

Test Name Ordering Code Result Code Component Name LOINC Code AOE Prompt Units
NT proBNP3000317
3000317NT proBNPNot AvailableNo

The CPT codes provided are for general informational purposes only and are based on an interpretation of AMA guidance. It is the sole responsibility of the billing party to determine CPT codes. Any questions regarding coding should be directed to the paying party.

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