R41.0

Billable

ChapterR00–R99

Ranksubcategory

Official Description

Disorientation, unspecified

Metadata & Insights

•2026 ICD-10-CM Edition - Effective October 1, 2025.
•Billable/specific code (valid for reimbursement).
•Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings (R00-R99).

Instructional Notes

Includes

Confusion NOS
Delirium NOS

Excludes1(Not coded here)

delirium due to known physiological condition (F05)

General instructions are available for the parent sections:

View CH18 Notes View R40-R46 Notes View R41 Notes

Clinical Hierarchy

CH18Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)

R40-R46Symptoms and signs involving cognition, perception, emotional state and behavior (R40-R46)

R41Other symptoms and signs involving cognitive functions and awareness

R41.0Disorientation, unspecified

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to R41.0:

categoryR41

Other symptoms and signs involving cognitive functions and awareness

View context instructions

blockR40-R46

Symptoms and signs involving cognition, perception, emotional state and behavior (R40-R46)

View context instructions

chapterCH18

Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)

View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to R41.0. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

6 raw paths

Confusion, confused1 unique routes

Direct index entry→R41.0

Delirium, delirious (acute or subacute) (not alcohol- or drug-induced)2 unique routes

Direct index entry→R41.0

due to (secondary to)

unknown etiology→R41.0

Disorientation1 unique routes

Direct index entry→R41.0

Symptoms NEC2 unique routes

involving(2 variants)

awareness