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R56 Convulsions, not elsewhere classified

ICD-10-CM category R56 sits in Chapter 18 (Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified, R00-R99). It contains 4 billable codes for FY2027, effective October 1, 2026 to September 30, 2027. Always code to the most specific code available: a code with more characters that describes the diagnosis more precisely takes priority over a shorter one.

Subcategories

R56.0 Febrile convulsions

Billable codes in R56

CodeDescription
R56.00Simple febrile convulsions
R56.01Complex febrile convulsions
R56.1Post traumatic seizures
R56.9Unspecified convulsions

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