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R56

⚠ Non-billable (Header)

Convulsions, not elsewhere classified

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

⚠️ This is a category header code — not billable. Use a more specific child code below.

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❌ Excludes1

direct

Cannot be coded with R56

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

Child Codes (3)

R56.0Febrile convulsionsR56.1Post traumatic seizuresR56.9Unspecified convulsions

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Code Information

CodeR56
BillableNo — Header code
CategorySymptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
Excludes13 rule(s)
Excludes20 note(s)
Child codes3

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)