ICD-10 Diagnosis Code R40.224

Coma scale, best verbal response, confused conversation

Diagnosis Code R40.224

ICD-10: R40.224
Short Description: Coma scale, best verbal response, confused conversation
Long Description: Coma scale, best verbal response, confused conversation
This is the 2018 version of the ICD-10-CM diagnosis code R40.224

Not Valid for Submission
The code R40.224 is a "header" and not valid for submission for HIPAA-covered transactions.

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)

Information for Medical Professionals

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.
Index of Diseases and Injuries
References found for the code R40.224 in the Index of Diseases and Injuries:


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