R56.9 – Unspecified convulsions
ICD-10-CM 2027 diagnosis code · General symptoms and signs
ICD-10-CM code
R56.9
- Code
R56.9(claims format:R569)- Description
- Unspecified convulsions
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 18. Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
- Block
- R50-R69 General symptoms and signs
- Parent codes
- R56
Notes for R56.9
Applicable to:
- Convulsion disorder
- Fit NOS
- Recurrent convulsions
- Seizure(s) (convulsive) NOS
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
R56 – Convulsions, not elsewhere classified
Index terms for R56.9
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in R56
Frequently asked questions
What is ICD-10 code R56.9?
R56.9 is the ICD-10-CM code for unspecified convulsions, in the block R50-R69 (General symptoms and signs).
Is R56.9 a billable code?
Yes. R56.9 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does R56.9 belong to?
It belongs to category R56 – Convulsions, not elsewhere classified.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.