2026 ICD-10-CM Diagnosis Code R63Symptoms and signs concerning food and fluid intake

ICD-10-CM Codes›R00–R99›R50-R69›R63

ICD-10-CM R63
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

R63 is a non-billable ICD-10-CM category code for symptoms and signs concerning food and fluid intake, so it cannot be submitted on claims. Use a more specific code from this category instead, such as R63.0, R63.1, R63.2, and R63.30. As a symptom code, it should not be used as a principal diagnosis once a related definitive diagnosis has been established.

Code Identity

ICD-10-CM Code
R63
Billable Status
No — Non-Billable Category
Code Describes
Symptoms and signs concerning food and fluid intake
Chapter
R50-R69
General symptoms and signs

Code Classification

ChapterR00–R99Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
SectionR50-R69General symptoms and signs
CategoryR63Symptoms and signs concerning food and fluid intake
This CodeR63Symptoms and signs concerning food and fluid intake

Specific Coding for Symptoms and signs concerning food and fluid intakeOverview

Non-specific codes like R63 require more characters. Use one of these billable codes instead:

  • Use R63.0 for Anorexia

  • Use R63.1 for Polydipsia

  • Use R63.2 for Polyphagia

  • R63.3 for Feeding difficulties

  • Use R63.30 for Feeding difficulties, unspecified

  • Use R63.31 for Pediatric feeding disorder, acute

  • Use R63.32 for Pediatric feeding disorder, chronic

  • Use R63.39 for Other feeding difficulties

  • Use R63.4 for Abnormal weight loss

  • Use R63.5 for Abnormal weight gain

  • Use R63.6 for Underweight

  • Use R63.8 for Other symptoms and signs concerning food and fluid intake

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Type 1 Excludes

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About R63Overview

Is R63 (Symptoms and signs concerning food and fluid intake) a billable code?

No. This is a category header that groups the codes for symptoms and signs concerning food and fluid intake, and headers cannot be submitted on claims. Claims for symptoms and signs concerning food and fluid intake need a more specific code from this category, such as R63.0, R63.1, and R63.2.

Can R63 be a principal diagnosis?

Use it with care. This is a symptom code, so once a definitive diagnosis explaining the symptoms and signs concerning food and fluid intake is established, that condition takes the principal position instead.