SCN9A

sodium voltage-gated channel alpha subunit 9
OMIM: 603415, Gene2Phenotype

13 panels

Panel Reviews Mode of inheritance Details
13 panels
Green SCN9A in Familial dysautonomia


Version 1.18

review BIALLELIC, autosomal or pseudoautosomal
Sources
  • Expert Review Green
  • Illumina TruGenome Clinical Sequencing Services
  • UKGTN
  • Radboud University Medical Center, Nijmegen
  • Emory Genetics Laboratory
Phenotypes
  • HSAN2D, autosomal recessive, 243000
  • Insensitivity to pain, congenital, 243000
Red SCN9A in Brain channelopathy

Level 3: Channelopathies
Level 2: Neurology and neurodevelopmental disorders
Version 1.83

review BOTH monoallelic and biallelic, autosomal or pseudoautosomal
Sources
  • Expert Review Red
  • UKGTN
  • Illumina TruGenome Clinical Sequencing Services
  • Radboud University Medical Center, Nijmegen
Phenotypes
  • Erythermalgia, primary, 133020
  • Insensitivity to pain, channelopathy-associated, 243000
  • Paroxysmal extreme pain disorder, 167400
  • Febrile seizures, familial, 3B, 613863
  • Epilepsy, generalized, with febrile seizures plus, type 7, 613863
  • Congenital Indifference to Pain
  • Dysosteosclerosis
  • Erythermalgia, Primary
  • Paroxysmal Extreme Pain Disorder
  • Hereditary Sensory Neuropathy
Green SCN9A in Pain syndromes

Level 3: Channelopathies
Level 2: Neurology and neurodevelopmental disorders
Version 1.12

review BOTH monoallelic and biallelic, autosomal or pseudoautosomal
Sources
  • Expert Review Green
  • BRIDGE Study Tier 1 Gene
Phenotypes
  • Erythermalgia, primary, AD, 133020
  • Small fiber neuropathy, AD,133020
  • HSAN2D, autosomal recessive, AR, 243000
  • Insensitivity to pain, congenital, AR, 243000
  • Paroxysmal extreme pain disorder, AD, 167400
Red SCN9A in Paroxysmal central nervous system disorders


Level 2: Neurology
Version 4.7
Latest signed off version: v4.6 (12 Aug 2026)

review BOTH monoallelic and biallelic, autosomal or pseudoautosomal
Sources
  • Expert Review Red
  • NHS GMS
  • London North GLH
  • Wessex and West Midlands GLH
Phenotypes
  • Paroxysmal extreme pain disorder, 167400
  • Paroxysmal Extreme Pain Disorder
  • Congenital Indifference to Pain
  • Erythermalgia, primary, AD, 133020
  • Paroxysmal extreme pain disorder, AD, 167400
  • Small fiber neuropathy, AD,133020
  • Febrile seizures, familial, 3B, 613863
  • Dysosteosclerosis
  • Insensitivity to pain, congenital, AR, 243000
  • Epilepsy, generalized, with febrile seizures plus, type 7, 613863
  • Erythermalgia, Primary
  • HSAN2D, autosomal recessive, AR, 243000
  • Insensitivity to pain, channelopathy-associated, 243000
  • Erythermalgia, primary, 133020
  • Hereditary Sensory Neuropathy
Green SCN9A in Vascular skin disorders


Level 2: Dermatology
Version 2.8
Latest signed off version: v2.7 (12 Aug 2026)

review MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Sources
  • London North GLH
  • NHS GMS
  • Expert Review Green
Phenotypes
  • Erythermalgia, primary, OMIM:133020
Red SCN9A in Neurodegenerative disorders, adult onset


Level 2: Neurology
Version 9.5
Latest signed off version: v9.4 (12 Aug 2026)

Component of the following Super Panels:

  • Adult-onset neurological disorders
  • review BOTH monoallelic and biallelic, autosomal or pseudoautosomal
    Sources
    • Expert Review Red
    Phenotypes
    • Erythermalgia, primary, 133020
    • Epilepsy, generalized, with febrile seizures plus, type 7, 613863
    • Congenital Indifference to Pain
    • Paroxysmal Extreme Pain Disorder
    • Dysosteosclerosis
    • Insensitivity to pain, channelopathy-associated, 243000
    • Hereditary Sensory Neuropathy
    • Paroxysmal extreme pain disorder, 167400
    • Febrile seizures, familial, 3B, 613863
    • Erythermalgia, Primary
    Green SCN9A in Hereditary neuropathy

    Level 3: Motor and Sensory Disorders of the PNS
    Level 2: Neurology and neurodevelopmental disorders
    Version 1.513

    review BOTH monoallelic and biallelic, autosomal or pseudoautosomal
    Sources
    • South West GLH
    • NHS GMS
    • London North GLH
    • Expert Review Green
    • Emory Genetics Laboratory
    • UKGTN
    • Expert list
    Phenotypes
    • Hereditary Neuropathies
    Red SCN9A in Early onset or syndromic epilepsy


    Level 2: Neurology
    Version 9.68
    Latest signed off version: v9.56 (12 Aug 2026)

    Component of the following Super Panels:

  • Paediatric disorders
  • Unexplained death in infancy and sudden unexplained death in childhood
  • review MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
    Sources
    • Expert Review Red
    • North West GLH
    • Wessex and West Midlands GLH
    • NHS GMS
    • NIHRBR-RD Consortium SPEED_v3.0_20170404
    • Expert
    Phenotypes
    • Epilepsy, generalized, with febrile seizures plus, type 7 613863
    • Febrile seizures, familial, 3B 613863
    • {Dravet syndrome, modifier of} 607208
    Tags
    • refuted
    Red SCN9A in Intellectual disability


    Level 2: Developmental disorders
    Version 11.9
    Latest signed off version: v11.0 (12 Aug 2026)

    Component of the following Super Panels:

  • Hypotonic infant
  • Leukodystrophy, childhood onset
  • Paediatric disorders
  • review BOTH monoallelic and biallelic, autosomal or pseudoautosomal
    Sources
    • Victorian Clinical Genetics Services
    • Expert Review Red
    • BRIDGE study SPEED NEURO Tier1 Gene
    Phenotypes
    • Erythermalgia, primary, 133020
    • Paroxysmal extreme pain disorder, 167400, Insensitivity to pain, congenital, 243000
    • Febrile seizures, familial, 3B, 613863
    • Epilepsy, generalized, with febrile seizures plus, type 7, 613863
    • Small fiber neuropathy, 133020
    • {Dravet syndrome, modifier of}, 607208
    • HSAN2D, autosomal recessive, 243000
    Red SCN9A in Hereditary ataxia, adult onset


    Level 2: Neurology
    Version 9.5
    Latest signed off version: v9.4 (12 Aug 2026)

    Component of the following Super Panels:

  • Adult-onset neurological disorders
  • review BOTH monoallelic and biallelic, autosomal or pseudoautosomal
    Sources
    • NHS GMS
    • Wessex and West Midlands GLH
    • Expert Review Red
    • Brain channelopathy v1.46
    Phenotypes
    • Paroxysmal extreme pain disorder, 167400
    • Congenital Indifference to Pain
    • Paroxysmal Extreme Pain Disorder
    • Hereditary Sensory Neuropathy
    • Febrile seizures, familial, 3B, 613863
    • Dysosteosclerosis
    • Epilepsy, generalized, with febrile seizures plus, type 7, 613863
    • Insensitivity to pain, channelopathy-associated, 243000
    • Erythermalgia, primary, 133020
    • Erythermalgia, Primary
    Red SCN9A in Dystonia, chorea or related movement disorder, adult onset


    Level 2: Neurology
    Version 6.8
    Latest signed off version: v6.7 (12 Aug 2026)

    Component of the following Super Panels:

  • Adult-onset neurological disorders
  • review BOTH monoallelic and biallelic, autosomal or pseudoautosomal
    Sources
    • NHS GMS
    • South West GLH
    • Expert Review Red
    Phenotypes
    • Paroxysmal extreme pain disorder, 167400
    • Erythermalgia, primary, 133020
    • Erythermalgia, Primary
    • Paroxysmal Extreme Pain Disorder
    • Congenital Indifference to Pain
    • Epilepsy, generalized, with febrile seizures plus, type 7, 613863
    • Insensitivity to pain, channelopathy-associated, 243000
    • Dysosteosclerosis
    • Hereditary Sensory Neuropathy
    • Febrile seizures, familial, 3B, 613863
    Green SCN9A in Hereditary neuropathy or pain disorder


    Level 2: Neurology
    Version 8.31
    Latest signed off version: v8.30 (12 Aug 2026)

    review BOTH monoallelic and biallelic, autosomal or pseudoautosomal
    Sources
    • South West GLH
    • Expert Review Green
    • UKGTN
    • Emory Genetics Laboratory
    • Expert list
    • London North GLH
    • NHS GMS
    • South West GLH
    • NHS GMS
    • London North GLH
    Phenotypes
    • Hereditary Neuropathies
    Red SCN9A in Dystonia, chorea or related movement disorder, childhood onset


    Level 2: Neurology
    Version 8.14
    Latest signed off version: v8.13 (12 Aug 2026)

    review BOTH monoallelic and biallelic, autosomal or pseudoautosomal
    Sources
    • South West GLH
    Phenotypes
    • Paroxysmal extreme pain disorder, 167400
    • Erythermalgia, Primary
    • Erythermalgia, primary, 133020
    • Hereditary Sensory Neuropathy
    • Insensitivity to pain, channelopathy-associated, 243000
    • Congenital Indifference to Pain
    • Epilepsy, generalized, with febrile seizures plus, type 7, 613863
    • Dysosteosclerosis
    • Febrile seizures, familial, 3B, 613863
    • Paroxysmal Extreme Pain Disorder