ICD-10-CM Code for Underweight R63.6

ICD-10 code R63.6 for Underweight is a medical classification as listed by WHO under the range - Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified .

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Use additional code to identify body mass index (BMI), if known (Z68.-)
Excludes1: abnormal weight loss (R63.4)
anorexia nervosa (F50.0-)
malnutrition (E40-E46)


Excludes1: bulimia NOS (F50.2)

Get crucial instructions for accurate ICD-10-CM R63.6 coding with all applicable Excludes 1 and Excludes 2 notes from the section level conveniently shown with each code.
This section shows you chapter-specific coding guidelines to increase your understanding and correct usage of the target ICD-10-CM Volume 1 code.