R63.0

Anorexia

Billable code

This code does not map to a risk-adjusting HCC in the loaded models.

Coding notes

Excludes 1 never coded together · Excludes 2 may co-exist

This code · R63.0
Excludes 1

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

Synonyms

Loss of appetite

Inherited from R63Symptoms and signs concerning food and fluid intake
Excludes 1

bulimia NOS (F50.2-)

Inherited from chapter 18Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
Excludes 2

abnormal findings on antenatal screening of mother (O28.-) certain conditions originating in the perinatal period (P04-P96) signs and symptoms classified in the body system chapters signs and symptoms of breast (N63, N64.5)

Official Guidelines for R63.0

FY 2026 ›
I.C.18Chapter-specific guidanceChapter 18: Symptoms, signs, and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)

Subsections

Sections that reference R63.0

Sections whose FY 2026 text names R63.0, its R63 category, or a range containing it — the chapter guidance above is the authoritative source.

Find R63.0 in the alphabetic index

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