ICD-10-CM · R40.20
ICD-10 R40.20: Unspecified coma
Coma.
Code
R40.20
Category
Symptoms, signs and abnormal clinical findings (R00-R99)
Clinical context
Coma.
Documentation requirements
- GCS
- Cause workup
Common related procedures
- Critical care
Common payer denial patterns
- Specify cause
Frequently asked questions
What does ICD-10 R40.20 mean?
Unspecified coma
When is this code documented?
Coma.
What documentation supports this code?
GCS; Cause workup.
What are common denials associated with this diagnosis?
Specify cause.
Related diagnoses
Sources
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