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TEST ID PBNP1 NT-Pro B-Type Natriuretic Peptide, Serum


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

Method Name

Electrochemiluminescence Immunoassay

Reporting Name

NT-Pro BNP, S

Specimen Type

Serum

Specimen Minimum Volume

0.5 mL

Specimen 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 days

Specimen Retention Time

7 days

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

83880