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HelpTest Code LAB106 NT-Pro B-Type Natriuretic Peptide (BNP), Plasma or Serum
Reporting Title
NT-Pro BNP
Methodology
Roche Diagnostics, Electrochemiluminescence Immunoassay- RMH, GMC, DH, DMH, GMH, WECC, PMH, GCMH, BH, OBH, MGH, MH, HMH, SH
Useful in diagnosis of congestive heart failure and in risk of stratification of patients with acute coronary syndromes.
Performing Laboratory
OhioHealth Laboratory Services-RMH, GMC, DH, DMH, MGH, GMH, HMH, WECC, PMH, OBH, MH, SH, GCMH, BH Core Laboratories
Specimen Requirements
Submit only 1 of the following specimens:Preferred:
Plasma
Draw blood in a mint green-top (heparin) gel tube(s). (Blue-top [sodium citrate] tube is not acceptable.) Spin down and send 1 mL of heparinized plasma refrigerated.
Alternate:
Serum
Draw blood in a gold-top serum gel tube(s). Spin down and send 1 mL of serum refrigerated.
Note:
1. A speckled-top serum gel tube (s) or a plain, red-top tube(s) is also acceptable..
2. Indicate serum on request form.
3. Label specimen appropriately (serum).
Note: 1. EDTA plasma yields results that are approximately 10% lower.
2. Indicate plasma on request form.
3. Label specimen appropriately (plasma).
Specimen Stability Information
| Specimen Type | Temperature | RocheTime | Siemens Time |
|---|---|---|---|
| Serum or plasma | Refrigerated | 6 days | 3 days |
| Ambient | 3 days | 3 days | |
| Frozen | 24 months | 12 months |
Specimen Transport Temperature
Refrigerate: OK
Ambient OK
Frozen OK
Reference Values
0-300 pg/mL
Pride Study Cutoffs ( Rule In)
≤ 50 Years >450 pg/mL
51-75 Years >900 pg/mL
≥76 Years >1800 pg/mL
Rule out congested heart failure for all patients 0-300 pg/mL
Day(s) Test Set Up
Monday through Sunday; Continuously
Test Classification and CPT Coding
83880