DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

R63 Symptoms and signs concerning food and fluid intake

  • Header · not billable

R63 is not billable. The category heads 11 billable codes in FY2027, grouped under 8 subdivisions.

Index → code

Where it sits

  1. Chapter 18 Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
  2. R50-R69 General symptoms and signs (R50-R69)
  3. R63 Symptoms and signs concerning food and fluid intake
Billable codes
11
Subdivisions
8
CC / MCC codes
0 / 0
HCC V28 codes
0
New FY2027
0
Index entries
42

Codes in R63

  1. R63.0
    Anorexia
    Billable
    Inclusion terms 1, Excludes1 2

    Inclusion terms

    • Loss of appetite

    Excludes1

    • anorexia nervosa (F50.0-) F50.0
    • loss of appetite of nonorganic origin (F50.89) F50.89
  2. R63.1
    Polydipsia
    Billable
    Inclusion terms 1

    Inclusion terms

    • Excessive thirst
  3. R63.2
    Polyphagia
    Billable
    Inclusion terms 2

    Inclusion terms

    • Excessive eating
    • Hyperalimentation NOS
  4. R63.3
    Feeding difficulties
    Header
    Excludes2 3

    Excludes2

    • eating disorders (F50.-) F50
    • feeding problems of newborn (P92.-) P92
    • infant feeding disorder of nonorganic origin (F98.2-) F98.2
  5. R63.30
    Feeding difficulties, unspecified
    Billable
  6. R63.31
    Pediatric feeding disorder, acute
    Billable
    Inclusion terms 1, Code also 5

    Inclusion terms

    • Pediatric feeding dysfunction, acute

    Code also

    • , if applicable, associated conditions such as:
    • aspiration pneumonia (J69.0) J69.0
    • dysphagia (R13.1-) R13.1
    • gastro-esophageal reflux disease (K21.-) K21
    • malnutrition (E40-E46) E40 E46
  7. R63.32
    Pediatric feeding disorder, chronic
    Billable
    Inclusion terms 1, Code also 5

    Inclusion terms

    • Pediatric feeding dysfunction, chronic

    Code also

    • , if applicable, associated conditions such as:
    • aspiration pneumonia (J69.0) J69.0
    • dysphagia (R13.1-) R13.1
    • gastro-esophageal reflux disease (K21.-) K21
    • malnutrition (E40-E46) E40 E46
  8. R63.39
    Other feeding difficulties
    Billable
    Inclusion terms 2

    Inclusion terms

    • Feeding problem (elderly) (infant) NOS
    • Picky eater
  9. R63.4
    Abnormal weight loss
    Billable
  10. R63.5
    Abnormal weight gain
    Billable
    Excludes1 2

    Excludes1

    • excessive weight gain in pregnancy (O26.0-) O26.0
    • obesity (E66.-) E66
  11. R63.6
    Underweight
    Billable
    Excludes1 3, Use additional code 1

    Excludes1

    • abnormal weight loss (R63.4) R63.4
    • anorexia nervosa (F50.0-) F50.0
    • malnutrition (E40-E46) E40 E46

    Use additional code

    • code to identify body mass index (BMI), if known (Z68.-) Z68
  12. R63.8
    Other symptoms and signs concerning food and fluid intake
    Billable

Sources of each column.

Instructions

At R63

Excludes1

  • bulimia NOS (F50.2-) F50.2

Notes that also apply

Chapter 18 instructions (Notes 9, Excludes2 4): printed on the chapter 18 page.

Index entries

  • Anorexia → R63.0
  • Dysorexia → R63.0
  • Polydipsia → R63.1
  • Thirst, excessive → R63.1
  • Cynorexia → R63.2
  • Hyperalimentation → R63.2
  • Hyperphagia → R63.2
  • Overeating → R63.2
  • Polyphagia → R63.2
  • Underweight → R63.6
  • Hypometabolism → R63.8
  • Appetitelack or loss → R63.0
  • Lack ofappetite (see Anorexia) → R63.0
  • Loss (of)appetite (see Anorexia) → R63.0
  • Excess, excessive, excessivelythirst → R63.1
  • Abnormal, abnormality, abnormalitiesincrease in appetite → R63.2
  • Appetiteexcessive → R63.2
  • Excess, excessive, excessivelyeating → R63.2
  • Excess, excessive, excessivelynutrient (dietary) NEC → R63.2
  • Difficult, difficulty (in)feeding → R63.30
  • Disorder (of)feeding (infant or child) → R63.30
  • Feedingdifficulties → R63.30
  • Aversionoral → R63.39
  • Feedingproblem (elderly) (infant) → R63.39
  • Problem (with) (related to)feeding (elderly) (infant) NOS → R63.39
  • Loss (of)weight (abnormal) (cause unknown) → R63.4
  • Weightloss (abnormal) (cause unknown) → R63.4
  • Weightgain (abnormal) (excessive) → R63.5
  • Increase, increasedabnormal, in development → R63.8
  • Symptoms NECdevelopment NEC → R63.8
  • Symptoms NECmetabolism NEC → R63.8
  • Dysfunctionfeeding, pediatricacute → R63.31
  • Dysfunctionfeeding, pediatricchronic → R63.32
  • Difficult, difficulty (in)feedingelderly → R63.39
  • Difficult, difficulty (in)feedinginfant NOS → R63.39
  • Difficult, difficulty (in)feedingspecified NEC → R63.39
  • Abnormal, abnormality, abnormalitiesloss ofweight → R63.4
  • Excess, excessive, excessivelyweightloss → R63.4
  • Excess, excessive, excessivelyweightgain → R63.5
  • Symptoms NECinvolvingfood and fluid intake → R63.8

2 more, longer entries are not listed; the search box finds them by word.

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