R40.1

Billable

ChapterR00–R99

Ranksubcategory

Official Description

Stupor

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

Catatonic stupor
Semicoma

Excludes1(Not coded here)

catatonic schizophrenia (F20.2)
coma (R40.2-)
depressive stupor (F31.-, F32.-, F33.-)
dissociative stupor (F44.2)
manic stupor (F30.2)

General instructions are available for the parent sections:

View CH18 Notes View R40-R46 Notes View R40 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)

R40Somnolence, stupor and coma

R40.1Stupor

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to R40.1:

categoryR40

Somnolence, stupor and coma

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 R40.1. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

4 raw paths

Catatonic1 unique routes

stupor→R40.1

Clouded state1 unique routes

Direct index entry→R40.1

Semicoma1 unique routes

Direct index entry→R40.1

Stupor (catatonic)1 unique routes

Direct index entry→R40.1