1. R63 Symptoms and signs concerning food and fluid intake

    Excludes1

    1. R63.0 Anorexia

      Inclusion term(s):

      • Loss of appetite
    2. R63.1 Polydipsia

      Inclusion term(s):

      • Excessive thirst
    3. R63.2 Polyphagia

      Inclusion term(s):

      • Excessive eating
      • Hyperalimentation NOS
    4. R63.3 Feeding difficulties

      1. R63.30 Feeding difficulties, unspecified

      2. R63.31 Pediatric feeding disorder, acute

        Inclusion term(s):

        • Pediatric feeding dysfunction, acute
      3. R63.32 Pediatric feeding disorder, chronic

        Inclusion term(s):

        • Pediatric feeding dysfunction, chronic
      4. R63.39 Other feeding difficulties

        Inclusion term(s):

        • Feeding problem (elderly) (infant) NOS
        • Picky eater
    5. R63.4 Abnormal weight loss

    6. R63.5 Abnormal weight gain

    7. R63.6 Underweight

    8. R63.8 Other symptoms and signs concerning food and fluid intake

Abbreviations used here:

NEC Not elsewhere classifiable
This abbreviation in the Tabular List represents “other specified”. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the “other specified” code.

NOS Not otherwise specified
This abbreviation is the equivalent of unspecified.