R46
ICD-10Non-billable categorySymptoms and signs involving appearance and behavior
Official ICD-10-CM descriptor (FY2026)
Symptoms and signs involving appearance and behavior
R46 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.
Excludes1
Not coded here. An Excludes1 code should never be reported at the same time as the code above it.
- appearance and behavior in schizophrenia, schizotypal and delusional disorders (F20-F29)
- mental and behavioral disorders (F01-F99)
More specific codes under R46
- R46.0Very low level of personal hygiene
- R46.1Bizarre personal appearance
- R46.2Strange and inexplicable behavior
- R46.3Overactivity
- R46.4Slowness and poor responsiveness
- R46.5Suspiciousness and marked evasiveness
- R46.6Undue concern and preoccupation with stressful events
- R46.7Verbosity and circumstantial detail obscuring rsn for cntct
- R46.8Other symptoms and signs involving appearance and behaviorcategory
Where this code sits
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.