MCMedicalCodingSoftware
R56.0

R56.0: Febrile convulsions

Non-billable headerICD-10-CM

R56.0 is a non-billable header ICD-10-CM code for febrile convulsions. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes1 inherited from the categories above R56.0

A category’s note binds every code beneath it.

Written on R56: Convulsions, not elsewhere classified

  • dissociative convulsions and seizures (F44.5)
  • epileptic convulsions and seizures (G40.-)
  • newborn convulsions and seizures (P90)

Other codes that can never be billed with R56.0

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • R50Fever of other and unknown origin

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead R56.0

2 child codes. Green means billable.

Other codes under R56

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.