EBMcalc Logo
   INTRO    EQUATIONS    CRITERIA    DECISION    CONVERT    SPECIALTIES    REFS    SEARCH    NEW    CONTACT
 
  Fractional Excretion of Urea (FEUrea)

 
Input
 
Urine Urea  
Serum Urea  
Urine Cr  
Serum Cr  

 
Result
 
 
FE Urea  
 
Decimal Precision  

 
     
 
Include literature references: Yes   No
 

 
Equations used
 
FEUrea = (UrineUrea / SerumUrea) / (UrineCr / SerumCr) * 100

 

 
References
  1. Kaplan AA, Kohn OF. Fractional excretion of urea as a guide to renal dysfunction. Am J Nephrol. 1992;12(1-2):49-54. PubMed ID: 1415365 PubMed Logo

 
Associated Medical Subject Headings [MeSH]
 
         Chemical Fractionation,   Follow-Up Studies,   Humans,   Kidney Diseases,   Prospective Studies,   Renal Circulation,   Retrospective Studies,   Sodium,   Urea

 
Associated Logical Observation Identifiers Names and Codes [LOINC]
 
Parameter LOINC's and Suggested Units
Urine Urea 3095-7 : mg/dL      3092-4 : mg/dL      14938-5 : mmol/L      22700-9 : mmol/L      
Serum Urea 3094-0 : mg/dL      6299-2 : mg/dL      14937-7 : mmol/L      59570-2 : mmol/L      
Urine Cr 35674-1 : mg/dL      2161-8 : mg/dL      14683-7 : mmol/L      
Serum Cr 2160-0 : mg/dL      38483-4 : mg/dL      14682-9 : mcmol/L      22726-4 : mcmol/L      59826-8 : mcmol/L      

 
This material contains content from LOINC® (http://loinc.org). The LOINC table, LOINC codes, and LOINC panels and forms file are copyright © 1995-2014, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee and available at no cost under the license at http://loinc.org/terms-of-use.

 
Associated ICD10-CM Codes
 
   N17.2Acute kidney failure with medullary necrosis
   N19Unspecified kidney failure
   N25.9Disorder resulting from impaired renal tubular function, unspecified
   N17.9Acute kidney failure, unspecified

 
Associated ICD9-CM Codes
 
   276.5Hypovolemia
   584.9Acute renal failure nos
   588.8Impaired renal funct nec
   588.9Impaired renal funct nos
   586Renal failure nos
   583.7Nephr nos/medull necros

 
Legal Notices and Disclaimer

 
All information contained in and produced by the EBMcalc system is provided for educational purposes only. This information should not be used for the diagnosis or treatment of any health problem or disease. THIS INFORMATION IS NOT INTENDED TO REPLACE CLINICAL JUDGMENT OR GUIDE INDIVIDUAL PATIENT CARE IN ANY MANNER. Click here for full notice and disclaimer.
 
EBMcalc is Copyright © 1998-2020 Foundation Internet    [Build 261160 v20.2]