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HelpTest Code PBNP1 NT-Pro B-Type Natriuretic Peptide, Serum
Additional Codes
Torrance Memorial Laboratories Test Code: 1758093215
Necessary Information
Patient's age and sex are required.
Specimen Required
Collection Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 0.5 mL
Collection Instructions:
1. Serum gel tubes should be centrifuged within 2 hours of collection.
2. Red-top tubes should be centrifuged, and the serum aliquoted into a plastic vial within 2 hours of collection.
Useful For
Aiding in the diagnosis of congestive heart failure using serum specimens
Testing Algorithm
For more information see Amyloidosis: Laboratory Approach to Diagnosis
Special Instructions
Method Name
Electrochemiluminescence Immunoassay
Reporting Name
NT-Pro BNP, SSpecimen Type
SerumSpecimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Serum | Frozen (preferred) | 365 days | |
| Refrigerated | 7 days |
Reject Due To
| Gross hemolysis | Reject |
Reference Values
Males
0-2 day: 321-11,987 pg/mL
3-11 day: 263-5918 pg/mL
12 day-1 month: Not applicable
2 month-1 year: 37-646 pg/mL
2 years: 39-413 pg/mL
3 years-6 years: 23-289 pg/mL
7 years-14 years: ≤157 pg/mL
15 years-18 years: ≤158 pg/mL
19-39 years: <79 pg/mL
40-44 years: ≤72 pg/mL
45-54 years: ≤87 pg/mL
55-64 years: ≤88 pg/mL
≥65 years: ≤540 pg/mL
Females
0-2 day: 321-11,987 pg/mL
3-11 day: 263-5918 pg/mL
12 day-1 month: Not applicable
2 month-1 year: 37-646 pg/mL
2 years: 39-413 pg/mL
3 years-6 years: 23-289 pg/mL
7 years-14 years: < or=157 pg/mL
15 years-18 years: ≤158 pg/mL
19-39 years: <160 pg/mL
40-44 years: ≤162 pg/mL
45-54 years: ≤141 pg/mL
55-64 years: ≤226 pg/mL
≥65 years: ≤540 pg/mL
Day(s) Performed
Monday through Sunday
Report Available
Same day/1 to 2 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
Test Classification
This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.CPT Code Information
83880
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| PBNP1 | NT-Pro BNP, S | 83107-3 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| PBNP1 | NT-Pro BNP, S | 83107-3 |
Forms
If not ordering electronically, complete, print, and send a Cardiovascular Test Request Form (T724) with the specimen.