R46: Symptoms and signs involving appearance and behavior
Codes under R46 (Symptoms and signs involving appearance and behavior). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| R46.0 | Very low level of personal hygiene | ✓ |
| R46.0 | Very low level of personal hygiene | ✓ |
| R46.1 | Bizarre personal appearance | ✓ |
| R46.1 | Bizarre personal appearance | ✓ |
| R46.2 | Strange and inexplicable behavior | ✓ |
| R46.2 | Strange and inexplicable behavior | ✓ |
| R46.3 | Overactivity | ✓ |
| R46.3 | Overactivity | ✓ |
| R46.4 | Slowness and poor responsiveness | ✓ |
| R46.4 | Slowness and poor responsiveness | ✓ |
| R46.5 | Suspiciousness and marked evasiveness | ✓ |
| R46.5 | Suspiciousness and marked evasiveness | ✓ |
| R46.6 | Undue concern and preoccupation with stressful events | ✓ |
| R46.6 | Undue concern and preoccupation with stressful events | ✓ |
| R46.7 | Verbosity and circumstantial detail obscuring reason for contact | ✓ |
| R46.7 | Verbosity and circumstantial detail obscuring reason for contact | ✓ |
| R46.8 | Other symptoms and signs involving appearance and behavior | — |
| R46.8 | Other symptoms and signs involving appearance and behavior | — |
| R46.81 | Obsessive-compulsive behavior | ✓ |
| R46.81 | Obsessive-compulsive behavior | ✓ |
| R46.89 | Other symptoms and signs involving appearance and behavior | ✓ |
| R46.89 | Other symptoms and signs involving appearance and behavior | ✓ |
Frequently asked questions
What is ICD-10-CM code R46?
R46 is an ICD-10-CM category covering Symptoms and signs involving appearance and behavior. It contains 22 more specific diagnosis codes, 20 of which are billable.
Is R46 a billable code?
No — R46 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 R46.0 — Very low level of personal hygiene). 20 of the 22 codes under R46 are billable.
What codes fall under R46?
R46 includes R46.0, R46.0, R46.1, R46.1, R46.2, plus 17 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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