R40

Non-Billable

Somnolence, stupor and coma

R40 should not be used for reimbursement purposes as there are multiple sub-diagnoses that fall under this code. Please refer to the sub-diagnoses below.

Related Diagnoses

  • R40.0Somnolence
  • R40.1Stupor
  • R40.2Coma
    • R40.20Unspecified coma
    • R40.21Coma scale, eyes open
      • R40.211Coma scale, eyes open, never
      • R40.212Coma scale, eyes open, to pain
      • R40.213Coma scale, eyes open, to sound
      • R40.214Coma scale, eyes open, spontaneous
    • R40.22Coma scale, best verbal response
      • R40.221Coma scale, best verbal response, none
      • R40.222Coma scale, best verbal response, incomprehensible words
      • R40.223Coma scale, best verbal response, inappropriate words
      • R40.224Coma scale, best verbal response, confused conversation
      • R40.225Coma scale, best verbal response, oriented
    • R40.23Coma scale, best motor response
      • R40.231Coma scale, best motor response, none
      • R40.232Coma scale, best motor response, extension
      • R40.233Coma scale, best motor response, abnormal flexion
      • R40.234Coma scale, best motor response, flexion withdrawal
      • R40.235Coma scale, best motor response, localizes pain
      • R40.236Coma scale, best motor response, obeys commands
    • R40.24Glasgow coma scale, total score
      • R40.241Glasgow coma scale score 13-15
      • R40.242Glasgow coma scale score 9-12
      • R40.243Glasgow coma scale score 3-8
      • R40.244Other coma, without documented Glasgow coma scale score, or with partial score reported
    • R40.2ANontraumatic coma due to underlying condition
  • R40.3Persistent vegetative state
  • R40.4Transient alteration of awareness
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