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	✓
R46.1	Bizarre personal appearance	✓
R46.2	Strange and inexplicable behavior	✓
R46.3	Overactivity	✓
R46.4	Slowness and poor responsiveness	✓
R46.5	Suspiciousness and marked evasiveness	✓
R46.6	Undue concern and preoccupation with stressful events	✓
R46.7	Verbosity and circumstantial detail obscuring reason for contact	✓
R46.8	Other symptoms and signs involving appearance and behavior	—
R46.81	Obsessive-compulsive behavior	✓
R46.89	Other symptoms and signs involving appearance and behavior	✓

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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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