ICD-10-CM · Chapter 18 · R00-R99
R63 Symptoms and signs concerning food and fluid intake
Excludes 1 (cannot be coded together)
- bulimia NOS (F50.2-)
Subcodes
Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.
| Code | Description | Billable |
|---|---|---|
| R63..0 | Anorexia | Yes |
| R63..1 | Polydipsia | Yes |
| R63..2 | Polyphagia | Yes |
| R63..3 | Feeding difficulties | No |
| R63..30 | Feeding difficulties, unspecified | Yes |
| R63..31 | Pediatric feeding disorder, acute | Yes |
| R63..32 | Pediatric feeding disorder, chronic | Yes |
| R63..39 | Other feeding difficulties | Yes |
| R63..4 | Abnormal weight loss | Yes |
| R63..5 | Abnormal weight gain | Yes |
| R63..6 | Underweight | Yes |
| R63..8 | Other symptoms and signs concerning food and fluid intake | Yes |
Plain-language terms for this code
The following entries in the US Medical Glossary correspond to ICD-10-CM category R63:
- Loss of Appetite — Pérdida de apetito
- Excessive Thirst (Polydipsia) — Sed excesiva
- Excessive Hunger (Polyphagia) — Hambre excesiva
Last reviewed: September 2026