Bun and Creatinine Panel with Ratio

Last Modified: 10/30/2023 8:35:01 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: 0.5 mL
Transport & Storage: Temperature/Stability: 7 days Refrigerated

72 hours unspun
Reference Range: Blood Urea Nitrogen
 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 

Creatinine 
Male:
< 1 year: 0.3 - 1.0 mg/dl
1 year to 4 years: 0.1 - 0.4 mg/dl
5 years to 11 years: 0.2 - 0.7 mg/dl
12 years to 15 years: 0.4 - 0.9 mg/dl
> = 16 years: 0.8 - 1.4 mg/dl

Females
< 1 year: 0.3 - 1.0 mg/dl
1 year to 5 years: 0.1 - 0.5 mg/dl
6 years to 15 years: 0.3 - 0.7 mg/dl
> = 16 years: 0.6 - 1.1 mg/dl
Critical Ranges: Blood Urea Nitrogen: 
NICU (Infants in a Parkview Health Neonatal Intensive Care Unit): >50 mg/dL
Pediatric to Adult: >100 mg/dL 

Creatinine: >10.0 mg/dL
Test Comments: GFR will not reflex if patient is less than 18 years of age
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 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: BCRA
EPIC Test Code: LAB2302
Included Tests: Blood Urea Nitrogen (BUN); Creatinine;Creatinine; GFR Calculation; Ratio
CPT Coding: 84520, 82565

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