R56.0 – Febrile convulsions

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

Non-billable header

ICD-10-CM code R56.0
Code
R56.0 (claims format: R560)
Description
Febrile convulsions
Billable
No – use a more specific code below
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

Billable codes under R56.0

R56.0 is a header code and cannot be used on claims. Choose the most specific code:

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)

Related codes in R56

Frequently asked questions

What is ICD-10 code R56.0?

R56.0 is the ICD-10-CM code for febrile convulsions, in the block R50-R69 (General symptoms and signs).

Is R56.0 a billable code?

No. R56.0 is a header code with more specific child codes; report one of the billable codes listed above.

What category does R56.0 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.