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R63.0

✓ Billable

Anorexia

Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)

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Also Known As

Loss of appetite

❌ Excludes1

direct

Cannot be coded with R63.0

  • • anorexia nervosa (F50.0-)
  • • loss of appetite of nonorganic origin (F50.89)

❌ Excludes1

inherited from R63

Rules from parent category R63: Symptoms and signs concerning food and fluid intake

  • • bulimia NOS (F50.2-)

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Code Information

CodeR63.0
BillableYes
ParentR63
CategorySymptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
Excludes13 rule(s)
Excludes20 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)