R63.6 Billable Code
Underweight
Effective From: 10/01/2016
Chapter Classification
Chapter 18
Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
Section Detail
R50-R69
General symptoms and signs (R50-R69)
Code Hierarchy
This code is a child of R63.
Coding Guidelines & Notes
excludes1
- abnormal weight loss (R63.4)
- anorexia nervosa (F50.0-)
- malnutrition (E40-E46)
useAdditionalCode
- code to identify body mass index (BMI), if known (Z68.-)
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