All ICD10 Codes

R63

Non-Billable
ChapterR00–R99
Rankcategory
Official Description

Symptoms and signs concerning food and fluid intake

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings (R00-R99).

CH18 Parent Instructions

Excludes2(Not included here)
  • 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)

Instructional Notes

Excludes1(Not coded here)

Clinical Hierarchy

CH18Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
R50-R69General symptoms and signs (R50-R69)
R63Symptoms and signs concerning food and fluid intake
R63.0Anorexia
R63.1Polydipsia
R63.2Polyphagia
R63.3Feeding difficulties
R63.4Abnormal weight loss
R63.5Abnormal weight gain
R63.6Underweight
R63.8Other symptoms and signs concerning food and fluid intake

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to R63:

chapterCH18
Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to R63. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

25 raw paths
Abnormal, abnormality, abnormalities2 unique routes
increase in appetite→R63
loss of
weight→R63
Anorexia1 unique routes
Direct index entry→R63
Appetite2 unique routes
excessive→R63
lack or loss→R63
Aversion1 unique routes
oral→R63
Cynorexia1 unique routes
Direct index entry→R63
Difficult, difficulty (in)4 unique routes
feeding→R63(4 variants)
elderly→R63
infant NOS→R63
specified NEC→R63
Disorder (of)3 unique routes
feeding (infant or child)→R63(3 variants)
pediatric(2 variants)
acute→R63
chronic→R63
Dysfunction2 unique routes
feeding, pediatric(2 variants)
acute→R63
chronic→R63
Dysorexia1 unique routes
Direct index entry→R63
Excess, excessive, excessively5 unique routes
eating→R63
nutrient (dietary) NEC→R63
thirst→R63
weight(2 variants)
gain→R63
loss→R63
Feeding2 unique routes
difficulties→R63
problem (elderly) (infant)→R63
Hyperalimentation1 unique routes
Direct index entry→R63

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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