R40-R46
Symptoms and signs involving cognition, perception, emotional state and behavior
Symptoms and signs involving cognition, perception, emotional state and behavior (R40-R46) is a block within ICD-10-CM Chapter 18: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified. It holds 7 categories.
Excludes2
Not included here. The condition is not part of this code, but a patient may have both, and both codes may be reported together.
- symptoms and signs constituting part of a pattern of mental disorder (F01-F99)
Categories in R40-R46
- R40Somnolence, stupor and comacategory
- R41Oth symptoms and signs w cognitive functions and awarenesscategory
- R42Dizziness and giddiness
- R43Disturbances of smell and tastecategory
- R44Oth symptoms and signs w general sensations and perceptionscategory
- R45Symptoms and signs involving emotional statecategory
- R46Symptoms and signs involving appearance and behaviorcategory
Source
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.