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ICDMine.com › Browse ICD-10-CM Codes › Ch. 18: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99) › General symptoms and signs (R50-R69) › R63 Symptoms and signs concerning food and fluid intake › R63.6

R63.6Underweight

ICD-10-CM billable/specific code — part of General symptoms and signs (R50-R69)

Code Details

BillableYes
ChapterChapter 18: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
SectionGeneral symptoms and signs (R50-R69)
Parent codeR63 — Symptoms and signs concerning food and fluid intake

Coding Notes

Excludes1 (never code both together)

  • abnormal weight loss (R63.4)
  • anorexia nervosa (F50.0-)
  • malnutrition (E40-E46)

Use Additional Code

  • code to identify body mass index (BMI), if known (Z68.-)
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