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R56.9

✓ Billable

Unspecified convulsions

Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)

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Also Known As

Convulsion disorderFit NOSRecurrent convulsionsSeizure(s) (convulsive) NOS

❌ Excludes1

inherited from R56

Rules from parent category R56: Convulsions, not elsewhere classified

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

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Code Information

CodeR56.9
BillableYes
ParentR56
CategorySymptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
Excludes13 rule(s)
Excludes20 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)