R40.20 – Unspecified coma
Coding Notes
Active
Billable, valid for HIPAA-covered transactions
Applicable To
Coma NOS
Unconsciousness NOS
GEM Conversion to ICD-9 CM
Fs: 10000
–
Coma
MDC / MS-DRG Reference
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Sibling Codes
Parent Sibling Codes
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| Code | Title |
|---|---|
| R00-R99 | Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99) |
| R40-R46 | Symptoms and signs involving cognition, perception, emotional state and behavior (R40-R46) |
| R40 | Somnolence, stupor and coma |
| R40.2 | Coma |
| R40.20 |
Unspecified coma
Applicable to
Coma NOS
Unconsciousness NOS
|