R56.0
Non-billableFebrile convulsions
Febrile convulsions
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
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
Child Codes (2)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(70)
UMLS
- Convulsion febrileC0009952
- Convulsion, FebrileC0009952
- Convulsion, FeverC0009952
- Convulsion, PyrexialC0009952
- Convulsions, FebrileC0009952
- Convulsions, FeverC0009952
- Convulsions, PyrexialC0009952
- Convulsions, febrileC0009952
- Febrile ConvulsionC0009952
- Febrile Convulsion SeizureC0009952
- Febrile Convulsion SeizuresC0009952
- Febrile ConvulsionsC0009952
- Febrile FitC0009952
- Febrile FitsC0009952
- Febrile SeizureC0009952
- Febrile SeizuresC0009952
- Febrile convulsionC0009952
- Febrile convulsion (finding)C0009952
- Febrile convulsion NOSC0009952
- Febrile convulsion seizureC0009952
- Febrile convulsionsC0009952
- Febrile fitC0009952
- Febrile fitsC0009952
- Febrile seizureC0009952
- Febrile seizure (from fever)C0009952
- Febrile seizure (within the age range of 3 months to 6 years)C0009952
- Febrile seizure NOSC0009952
- Febrile seizuresC0009952
- Fever ConvulsionC0009952
- Fever ConvulsionsC0009952
- Fever SeizureC0009952
- Fever SeizuresC0009952
- Fever convulsionsC0009952
- Fever induced seizuresC0009952
- Fever seizureC0009952
- Fit, FebrileC0009952
- Fits, FebrileC0009952
- Pyrexial ConvulsionC0009952
- Pyrexial ConvulsionsC0009952
- Pyrexial SeizureC0009952
- Pyrexial SeizuresC0009952
- Pyrexial convulsionC0009952
- Pyrexial fitC0009952
- Seizure, FebrileC0009952
- Seizure, Febrile ConvulsionC0009952
- Seizure, FeverC0009952
- Seizure, PyrexialC0009952
- Seizures, FebrileC0009952
- Seizures, Febrile ConvulsionC0009952
- Seizures, FeverC0009952
- Seizures, PyrexialC0009952
- Seizures, febrileC0009952
- Seizures, febrile, in early childhoodC0009952
- Seizures, generalized, associated with feverC0009952
- convulsion febrileC0009952
- convulsion feverC0009952
- convulsions febrile seizuresC0009952
- febrile convulsionC0009952
- febrile convulsionsC0009952
- febrile fitC0009952
- febrile seizureC0009952
- febrile seizuresC0009952
- fever convulsionC0009952
- fever convulsionsC0009952
- fever seizureC0009952
- fever seizuresC0009952
- fevers seizuresC0009952
- seizure febrileC0009952
- seizure feverC0009952
- seizures feverC0009952
Frequently Asked Questions
What is the ICD-10 code for febrile convulsions?
The ICD-10-CM code for febrile convulsions is R56.0. The full clinical description is "Febrile convulsions". R56.0 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code R56.0 mean?
ICD-10-CM code R56.0 represents “Febrile convulsions”. It is classified under Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings and is a non-billable header code. Use a more specific child code for billing purposes.
Is R56.0 a billable code?
No, R56.0 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 2 child codes under R56.0.
What chapter is R56.0 in?
R56.0 is in Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings (codes R00-R99).
What codes cannot be used with R56.0?
R56.0 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).
What are the subcategories under R56.0?
R56.0 has 2 child codes, including: R56.00 (Simple febrile convulsions), R56.01 (Complex febrile convulsions).
What are the UMLS CUIs for R56.0?
R56.0 is linked to 1 UMLS Concept Unique Identifier: C0009952. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does R56.0 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like 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 R56.0?
R56.0 maps to the ICD-11 code: 8A63.0Z (Febrile seizures, unspecified).
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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.