Childhood Epilepsy
ICD-11 Classification of Childhood Epilepsy (8A6Z)
In ICD-11-MMS, 8A6Z is 'Epilepsy or seizures, unspecified' — the residual code within the epilepsy block (8A60–8A6Z) under diseases of the nervous system. For childhood epilepsy, code to the most specific syndrome, seizure type and aetiology available; 8A6Z applies only when documentation is insufficient. Epilepsy is a medical-urgency condition requiring prompt paediatric-neurology referral.
A precise ICD-11 code anchors every downstream decision — coding, referral pathway, and the developmental supports a child with epilepsy may need alongside seizure control.
In short
In ICD-11-MMS, code 8A6Z denotes Epilepsy or seizures, unspecified — the residual category used when a child's epilepsy syndrome or seizure type is not yet further specified. It sits within the chapter 8 grouping Epilepsy or seizures (block 8A60–8A6Z), under Diseases of the nervous system. For childhood epilepsy specifically, code to the most precise entity available once the syndrome, seizure type and aetiology are established; 8A6Z is appropriate only as an interim or when documentation does not support a more specific code.The classification, in context
ICD-11 restructured epilepsy along the lines of the ILAE operational framework, allowing coding by seizure type (focal, generalised, unknown onset), by epilepsy type, and by syndrome where defined. Childhood-onset syndromes — for example self-limited epilepsy with centrotemporal spikes, or developmental and epileptic encephalopathies — carry their own specific entities under 8A6 and should be selected in preference to the unspecified residual. Aetiology (structural, genetic, infectious, metabolic, immune or unknown) is captured alongside, supporting a complete clinical picture. Epilepsy is a medical-urgency condition: a child with suspected or active seizures needs prompt paediatric-neurology referral and medical management first — developmental therapy runs adjunctively, not as a substitute.When to refer
Any first unprovoked seizure, suspected status epilepticus, regression of skills, or breakthrough seizures on treatment warrants urgent medical review. Where epilepsy coexists with developmental delay or learning differences, a parallel developmental assessment helps quantify functional impact and target supports.The Pinnacle way
A clinical AbilityScore® and any diagnosis are formed only at a Pinnacle Blooms Network centre, under qualified clinician care — coding and seizure management remain with the treating paediatric-neurology team. Where a child with epilepsy also shows developmental or communication needs, our team supports the functional picture through speech therapy and a structured AbilityScore® profile, coordinated with medical care across [our network](/).Trusted sources
WHO ICD-11 for Mortality and Morbidity Statistics, chapter 8 (Diseases of the nervous system), epilepsy or seizures block; WHO guidance on epilepsy. Use the official browser to confirm the current entity and any specific childhood-syndrome codes.Next step — Confirm the precise entity in the [ICD-11 browser](https://icd.who.int) and, where a child with epilepsy needs developmental support, [partner with a Pinnacle clinician](/).
This is general information, not a diagnosis — a clinical AbilityScore® and any diagnosis are formed only at a Pinnacle Blooms Network centre under qualified clinician care.
What to watch
First unprovoked seizure, suspected status epilepticus, skill regression, or breakthrough seizures on treatment — each warrants urgent paediatric-neurology review. Watch for coexisting developmental delay that merits parallel functional assessment.
Try this at home
When coding, resist defaulting to 8A6Z: capture seizure type, epilepsy type, syndrome and aetiology where the record supports them, so the code drives the right pathway.
Trusted sources
Developed by SETU Consortium · Pinnacle Blooms Network · Last reviewed 2026-06-10
This is general information, not a diagnosis. A clinical AbilityScore® and any diagnosis are formed only at a Pinnacle Blooms Network centre, under qualified clinician care.
Frequently asked
What does ICD-11 code 8A6Z mean?
8A6Z in ICD-11-MMS denotes 'Epilepsy or seizures, unspecified' — the residual category within the epilepsy or seizures block (8A60–8A6Z) under chapter 8, diseases of the nervous system. It is used when a more specific seizure type, epilepsy type or syndrome is not documented.
Should I always use 8A6Z for childhood epilepsy?
No. 8A6Z is a residual, unspecified code. For childhood epilepsy, select the most precise entity available — by syndrome (e.g. self-limited childhood epilepsies or developmental and epileptic encephalopathies), seizure type and aetiology — and reserve 8A6Z for interim or insufficiently documented cases.
Is epilepsy managed with developmental therapy?
Epilepsy is a medical-urgency condition managed primarily by paediatric neurology with prompt referral and medical treatment. Developmental therapy is adjunctive — useful where seizures coexist with delay or learning differences — never a substitute for seizure management.