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Dose Adjustment for Body Surface Area

 

Input
 

Standard Dose		gm mcg mg
Height		cm inch in mm m
Weight		gm kg lb

 
Results
 
Important: Inputs must be complete to perform calculation.

 

BSA		m2
Adjusted Dose		gm mcg mg
Decimal Precision   0 1 2 3

 

Data action

 
     
 
Include literature references: Yes   No

 

 

Notes

• In this calculator, mcg is the abbreviation for micrograms.
• The default unit of measure for weight is kilograms. Please verify that the correct unit of measure has been selected.
• This calculator uses the DuBois method to determine BSA.
• Dose adjustment for BSA is not appropriate for all medications or patients.

 
Equations used
 

BSA = 0.007184 * Height0.725 * Weight0.425

AdjustedDose = StandardDose * BSA / 1.73

 

 

References

1. Gerald, MC, O'Bannon. In: Nursing pharmacology and therapeutics 2nd ed. Englewood Cliffs, NJ: Prentice Hall Incorporated 1988. LCCN: 87014471
2. Dubois D, Dubois EF. A formula to estimate the approximate surface area if height and weight be known. Arch Intern Med. 1916; 17:863-871.

 

Associated Logical Observation Identifiers Names and Codes [LOINC]
 

Parameter	LOINC's and Suggested Units
Height	8302-2 : cm      8301-4 : cm      3137-7 : cm      91370-7 : cm      3138-5 : cm      8306-3 : cm
Weight	29463-7 : kg      3141-9 : kg      8350-1 : kg      8351-9 : kg      79348-9 : kg      8335-2 : kg      75292-3 : kg      3142-7 : kg

 
This material contains content from LOINC (http://loinc.org). LOINC is copyright © 1995-2023, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee and is available at no cost under the license at http://loinc.org/license. LOINC® is a registered United States trademark of Regenstrief Institute, Inc.