R56.0Header code — not billable

Febrile convulsions

Chapter
18. Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
Category
R56
Effective date
October 1, 2026

Related codes in category R56

R56Convulsions, not elsewhere classifiedR56.00Simple febrile convulsionsYesR56.01Complex febrile convulsionsYesR56.1Post traumatic seizuresYesR56.9Unspecified convulsionsYes

Frequently asked questions

What is ICD-10 code R56.0?

R56.0 is an ICD-10-CM diagnosis code for Febrile convulsions.

Is R56.0 a billable code?

No. R56.0 is a category/header code, not billable on its own — use one of its more specific child codes instead.

What ICD-10-CM chapter is R56.0 in?

R56.0 falls under Chapter 18: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified.

When did R56.0 become effective?

R56.0 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to R56.0?

R56.0 belongs to category R56, which includes 5 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.