R63: Symptoms and signs concerning food and fluid intake
Codes under R63 (Symptoms and signs concerning food and fluid intake). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| R63.0 | Anorexia | ✓ |
| R63.0 | Anorexia | ✓ |
| R63.1 | Polydipsia | ✓ |
| R63.1 | Polydipsia | ✓ |
| R63.2 | Polyphagia | ✓ |
| R63.2 | Polyphagia | ✓ |
| R63.3 | Feeding difficulties | — |
| R63.3 | Feeding difficulties | — |
| R63.4 | Abnormal weight loss | ✓ |
| R63.4 | Abnormal weight loss | ✓ |
| R63.5 | Abnormal weight gain | ✓ |
| R63.5 | Abnormal weight gain | ✓ |
| R63.6 | Underweight | ✓ |
| R63.6 | Underweight | ✓ |
| R63.8 | Other symptoms and signs concerning food and fluid intake | ✓ |
| R63.8 | Other symptoms and signs concerning food and fluid intake | ✓ |
| R63.30 | Feeding difficulties, unspecified | ✓ |
| R63.30 | Feeding difficulties, unspecified | ✓ |
| R63.31 | Pediatric feeding disorder, acute | ✓ |
| R63.31 | Pediatric feeding disorder, acute | ✓ |
| R63.32 | Pediatric feeding disorder, chronic | ✓ |
| R63.32 | Pediatric feeding disorder, chronic | ✓ |
| R63.39 | Other feeding difficulties | ✓ |
| R63.39 | Other feeding difficulties | ✓ |
Frequently asked questions
What is ICD-10-CM code R63?
R63 is an ICD-10-CM category covering Symptoms and signs concerning food and fluid intake. It contains 24 more specific diagnosis codes, 22 of which are billable.
Is R63 a billable code?
No — R63 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example R63.0 — Anorexia). 22 of the 24 codes under R63 are billable.
What codes fall under R63?
R63 includes R63.0, R63.0, R63.1, R63.1, R63.2, plus 19 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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