R56.01
BillableComplex febrile convulsions
Complex febrile convulsions
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Atypical febrile seizure
- Complex febrile seizure
- Complicated febrile seizure
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
- •abnormal findings on antenatal screening of motherO28
- •certain conditions originating in the perinatal periodP04-P96
- signs and symptoms classified in the body system chapters
- •signs and symptoms of breast,N63, N64.5
Related Codes(1)
Also Known As / Clinical Terms(31)
SNOMED CT
UMLS
Clinical Terms
- Febrile convulsion
- Atypical febrile seizure
- Febrile seizure (from fever)
- Complex febrile convulsion
- Complex febrile seizure (finding)
- Febrile seizure
- Complex febrile seizure
- Pyrexial convulsion
- Complex febrile seizures
- Complicated febrile seizure
- Seizure, Febrile, Complex
- Febrile fit
- Complex fever fit
- Fever seizure
Frequently Asked Questions
What is the ICD-10 code for complex febrile convulsions?
The ICD-10-CM code for complex febrile convulsions is R56.01. The full clinical description is "Complex febrile convulsions". R56.01 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code R56.01 mean?
ICD-10-CM code R56.01 represents “Complex febrile convulsions”. It is classified under Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings and is a billable/specific code that can be used on a claim.
Is R56.01 a billable code?
Yes, R56.01 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is R56.01 in?
R56.01 is in Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings (codes R00-R99).
What codes cannot be used with R56.01?
R56.01 has Excludes1 notes indicating codes that cannot be used together with it, including: dissociative convulsions and seizures (F44.5); epileptic convulsions and seizures (G40.-); newborn convulsions and seizures (P90); and 1 more.
What SNOMED CT codes does R56.01 map to?
R56.01 maps to 2 SNOMED CT concepts: 433083002, 41497008. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for R56.01?
R56.01 is linked to 3 UMLS Concept Unique Identifiers: C1719636, C0751057, C1719637. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does R56.01 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like complex febrile convulsions affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of R56.01?
There is no direct ICD-11 mapping available for R56.01 in the WHO crosswalk tables. This may mean the concept is classified differently in ICD-11. Use the ICD-10 to ICD-11 converter to search for related codes.
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.