R40.231 - Coma scale, best motor response, none

Version 2023
No Valid Principal Dx
ICD-10:R40.231
Short Description:Coma scale, best motor response, none
Long Description:Coma scale, best motor response, none
Status: Not Valid for Submission
Version:ICD-10-CM 2023
Code Classification:
  • Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00–R99)
    • Symptoms and signs involving cognition, perception, emotional state and behavior (R40-R46)
      • Somnolence, stupor and coma (R40)

R40.231 is a non-specific and non-billable ICD-10 code code, consider using a code with a higher level of specificity for a diagnosis of coma scale, best motor response, none. The code is not specific and is NOT valid for the year 2023 for the submission of HIPAA-covered transactions. Category or Header define the heading of a category of codes that may be further subdivided by the use of 4th, 5th, 6th or 7th characters.

According to ICD-10-CM guidelines this code should not to be used as a principal diagnosis code when a related definitive diagnosis has been established.

Specific Coding for Coma scale, best motor response, none

Non-specific codes like R40.231 require more digits to indicate the appropriate level of specificity. Consider using any of the following ICD-10 codes with a higher level of specificity when coding for coma scale, best motor response, none:

  • BILLABLE CODE - Use R40.2310 for unspecified time
  • BILLABLE CODE - Use R40.2311 for in the field [EMT or ambulance]
  • BILLABLE CODE - Use R40.2312 for at arrival to emergency department
  • BILLABLE CODE - Use R40.2313 for at hospital admission
  • BILLABLE CODE - Use R40.2314 for 24 hours or more after hospital admission

Tabular List of Diseases and Injuries

The Tabular List of Diseases and Injuries is a list of ICD-10 codes, organized "head to toe" into chapters and sections with coding notes and guidance for inclusions, exclusions, descriptions and more. The following references are applicable to this diagnosis code:


Inclusion Terms

Inclusion Terms
These terms are the conditions for which that code is to be used. The terms may be synonyms of the code title, or, in the case of "other specified" codes, the terms are a list of the various conditions assigned to that code. The inclusion terms are not necessarily exhaustive. Additional terms found only in the Alphabetic Index may also be assigned to a code.

Index to Diseases and Injuries References

The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10 code(s). The following references for this diagnosis code are found in the injuries and diseases index:

Code History