ICD-10-CM › R00-R99 › R50-R69 › R56 Convulsions, not elsewhere classified › R56.9
Unspecified convulsions
ValidICD-10-CM diagnosis code.
Valid for claims with a date of service in the current code year.
What has happened to this code
Every change the publisher made, from 2007 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.
- FY2007 Added to the draft code set draft Unspecified convulsions
Official coding rules
Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.
Inherited from R56 Convulsions, not elsewhere classified
Excludes1 - never coded here
- dissociative convulsions and seizures (F44.5)
- epileptic convulsions and seizures (G40.-)
- newborn convulsions and seizures (P90)
How CDC's index refers to this code
Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.
- Seizure
- Convulsive
- Convulsions
- Pseudotetanus
- State > convulsive
- Seizure > convulsive
- Disorder > convulsive
- Fit
- Seizure
- Convulsions
- Convulsions > recurrent
- Disorder > paroxysmal, mixed
Codes in the same group
| Code | Description | Status |
|---|---|---|
| R56.0 | Febrile convulsions | Not billable |
| R56.1 | Post traumatic seizures | Valid |