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R63.4

✓ Billable

Abnormal weight loss

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

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❌ 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

CodeR63.4
BillableYes
ParentR63
CategorySymptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
Excludes11 rule(s)
Excludes20 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)