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R40.2 Non-Billable Code

Coma

Chapter Classification

Chapter 18 Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)

Section Detail

R40-R46 Symptoms and signs involving cognition, perception, emotional state and behavior (R40-R46)

Code Hierarchy

This code is a child of R40.

As a non-billable code, it requires more specific digits to be used on a medical claim.

Coding Guidelines & Notes

codeFirst
  • any associated:
  • fracture of skull (S02.-)
  • intracranial injury (S06.-)

More Specific Diagnosis Codes

This code is not billable as it requires a higher level of specificity. Select a more specific code below.

  • R40.20 - Unspecified coma Billable
  • R40.21 - Coma scale, eyes open
  • R40.22 - Coma scale, best verbal response
  • R40.23 - Coma scale, best motor response
  • R40.24 - Glasgow coma scale, total score
  • R40.2A - Nontraumatic coma due to underlying condition Billable

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