F50: Eating disorders
F50.0: Anorexia nervosa

excludes1
loss of appetite (R63.0)
psychogenic loss of appetite (F50.89)
F50.00: Anorexia nervosa, unspecified
F50.01: Anorexia nervosa, restricting type
F50.02: Anorexia nervosa, binge eating/purging type

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