| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
NT-pro Brain Natriuretic Peptide, Plasma or Serum
Test CodeBNPC - NOCO
CPT Codes
83880
Preferred Specimen
1 mL plasma from Green top (Lithium Heparin)
Minimum Volume
0.5 mL
Other Acceptable Specimens
1 ml serum from Serum Gel or Red Top
NCMC Only: 1 ml plasma from Purple top (EDTA)
NCMC Only: 1 ml plasma from Purple top (EDTA)
Specimen Stability
| Specimen Type | Temperature | Time |
| Plasma Li Hep | Refrigerated | 72 hours |
| Serum SST | Refrigerated | 72 hours |
| Red Top – Separated* | Refrigerated | 72 hours |
| Plasma EDTA – Separated* | Refrigerated | 72 hours |
*Centrifuge and aliquot into a plastic vial.
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis
Methodology
Chemiluminescent Immunoassay based on LOCI technology
Setup Schedule
Monday through Sunday; Continuously
Report Available
Same day
Limitations
NT-proBNP levels are affected by several factors other than acute CHF, such as acute coronary syndrome, pulmonary embolism, shock, atrial arrhythmias, severe pneumonia, renal insufficiency or prior CHF.
Reference Range
0 - 74 years: <125 pg/mL
>74 years: <450 pg/mL
>74 years: <450 pg/mL
Performing Laboratory
Banner Fort Collins Medical Center Laboratory
McKee Medical Center Laboratory
North Colorado Medical Center Laboratory
Summit View Laboratory
