ICD-10-CM
ICD-10 code for Stupor: R40.1
The ICD-10-CM index points "Stupor" to R40.1, Stupor. R40.1 is a billable code.
Source: CDC ICD-10-CM FY2027 Alphabetic Index file dated June 16, 2026. Publisher page
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Index subterms
A header groups codes and is not billed. A billable code is one you can report.
- F32.89depressive (single episode), Other specified depressive episodesBillable
- F44.2dissociative, Dissociative stuporBillable
- F30.2manic, Manic episode, severe with psychotic symptomsBillable
- F31.89manic-depressive, Other bipolar disorderBillable
- F44.2psychogenic (anergic), Dissociative stuporBillable
- F43.0reaction to exceptional stress (transient), Acute stress reactionBillable
More specific codes in R40
A header groups codes and is not billed. A billable code is one you can report.
- R40Somnolence, stupor and comaHeader
- R40.0SomnolenceBillable
- R40.1StuporBillable
- R40.2ComaHeader
- R40.20Unspecified comaBillable
- R40.21Coma scale, eyes openHeader
- R40.22Coma scale, best verbal responseHeader
- R40.23Coma scale, best motor responseHeader
- R40.24Glasgow coma scale, total scoreHeader
- R40.2ANontraumatic coma due to underlying conditionBillable
- R40.3Persistent vegetative stateBillable
- R40.4Transient alteration of awarenessBillable
Excludes1
Excludes1 means these codes are not reported together.
From R40. A note on a category applies to every code under it.
Related conditions
Related pages
- R40.1 code detailsNotes, nearby codes, CMS-HCC group
- Category R40Every code under it
- Chapter 18Symptoms, signs and abnormal clinical findings
- ICD-10 codes by conditionA to Z
- Check a list of ICD-10 codes
- Denial code CO-11Diagnosis does not support the procedure
- Denial code CO-146Diagnosis invalid for the date of service
- HCPCS Level II code lookup
Questions
What is the ICD-10 code for Stupor?
The ICD-10-CM index points "Stupor" to R40.1, Stupor. R40.1 is a billable code.
Is R40.1 billable?
Yes. R40.1 is a billable code in the FY2027 ICD-10-CM file. Use a more specific code when the record documents one.
What documentation notes apply to R40.1?
The CDC tabular list gives 9 Excludes1 notes (not coded together) for R40.1 and the categories above it. They are listed on this page.
What chapter is R40.1 in?
Chapter 18. Symptoms, signs and abnormal clinical findings.
When do ICD-10-CM codes change?
Every October 1, with the new fiscal year file. Some years add April 1 updates. This page uses the FY2027 file, effective October 1, 2026.