R56.1 – Post traumatic seizures

ICD-10-CM 2027 diagnosis code · General symptoms and signs

Billable code

ICD-10-CM code R56.1
Code
R56.1 (claims format: R561)
Description
Post traumatic seizures
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 R56.1

Excludes1 (not coded here):
  • post traumatic epilepsy (G40.-)

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

R56 – Convulsions, not elsewhere classified

Excludes1 (not coded here):
  • dissociative convulsions and seizures (F44.5)
  • epileptic convulsions and seizures (G40.-)
  • newborn convulsions and seizures (P90)

Index terms for R56.1

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 R56.1?

R56.1 is the ICD-10-CM code for post traumatic seizures, in the block R50-R69 (General symptoms and signs).

Is R56.1 a billable code?

Yes. R56.1 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does R56.1 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.