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Blood Urea Nitrogen
Last Modified:
8/30/2023 11:58:38 AM
Medical Necessity Documentation:
Client Notes:
Patient Preparation:
Specimen Requirements:
1.0 mL Plasma from a PST
Mint Green Top Tube
- Lithium Heparin (preferred)
or
1.0 mL Serum in a SST
Gold Top Tube
Collection Instructions:
Minimum Volume:
0.2 mL Plasma or Serum
Neonatal Volume:
0.3 mL Whole Blood Green Microtainer
Transport & Storage: Temperature/Stability:
7 days Refrigerated
72 hours unspun
Reference Range:
Pediatric
1 day to 5 days: 5 - 17 mg/dL
5 days to 14 years:
7 - 17 mg/dL
14 years to 20 years: 7 - 21 mg/dL
Male > 20 years: 9 -21
mg/dL
Female > 20 years: 7 - 18
mg/dl
Critical Ranges:
Infants in a PH Neonatal Intensive Care Units (NICU):
>50 mg/dL
Pediatric to Adult
>100 mg/dL
Test Comments:
Methodology:
Colorimetric
Clinical Significance:
Documentation:
Custom Panel:
No
PRODUCTION SCHEDULE
Stat Eligible:
Yes
Days Performed:
Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday
Sites Performed:
Parkview Cancer Institute, Parkview Dekalb Hospital, Parkview Heart Institute, Parkview Huntington Hospital, Parkview LaGrange Hospital, Parkview Noble Hospital, Parkview Randallia Hospital, Parkview Regional Medical Center, Parkview Southwest , Parkview Wabash Hospital, Parkview Warsaw , Parkview Whitley Hospital
PHL Test Code:
BUN
EPIC Test Code:
LAB140
Alternate Test Names:
BUN
Included Tests:
CPT Coding:
84520
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