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Gene entry

SCN9A

sodium voltage-gated channel alpha subunit 9

Chromosome
2
Cytoband
2q24.3
Variants (rsID)
57

SCN9A is a protein-coding gene, meaning the body reads it as instructions to build a protein, located on chromosome 2 (region 2q24.3). Its official name is “sodium voltage-gated channel alpha subunit 9”. The reference table lists 57 variants (rsID) for this gene.

Clinically classified variants

27 reference-table entries with clinical significance.

  • rs12478318Benignsingle nucleotide variantChannelopathy-associated congenital insensitivity to pain, autosomal recessive|Generalized epilepsy with febrile seizures plus, type 7|Neuropathy, hereditary sensory and autonomic, type 2A|Neuropathy, hereditary sensory and autonomic, type 2A|Primary erythromelalgia|Paroxysmal extreme pain disorder
  • rs149707354Benignsingle nucleotide variantParoxysmal extreme pain disorder|Channelopathy-associated congenital insensitivity to pain, autosomal recessive|Primary erythromelalgia|Inherited Erythromelalgia|Neuropathy, hereditary sensory and autonomic, type 2A|Generalized epilepsy with febrile seizures plus, type 7|Neuropathy, hereditary sensory and autonomic, type 2A
  • rs187526567Benignsingle nucleotide variantChannelopathy-associated congenital insensitivity to pain, autosomal recessive|Paroxysmal extreme pain disorder|Small fiber neuropathy|Primary erythromelalgia|Generalized epilepsy with febrile seizures plus, type 7|Neuropathy, hereditary sensory and autonomic, type 2A
  • rs202055175Benignsingle nucleotide variantChannelopathy-associated congenital insensitivity to pain, autosomal recessive|Paroxysmal extreme pain disorder|Primary erythromelalgia|Inherited Erythromelalgia|Generalized epilepsy with febrile seizures plus, type 7|Neuropathy, hereditary sensory and autonomic, type 2A
  • rs41268673Benignsingle nucleotide variantPrimary erythromelalgia|Inherited Erythromelalgia|Neuropathy, hereditary sensory and autonomic, type 2A|Generalized epilepsy with febrile seizures plus, type 7|Channelopathy-associated congenital insensitivity to pain, autosomal recessive|Paroxysmal extreme pain disorder
  • rs6746030Benignsingle nucleotide variantPrimary erythromelalgia|Generalized epilepsy with febrile seizures plus, type 7|Neuropathy, hereditary sensory and autonomic, type 2A
  • rs73969684Benignsingle nucleotide variantParoxysmal extreme pain disorder|Small fiber neuropathy|Channelopathy-associated congenital insensitivity to pain, autosomal recessive|Primary erythromelalgia|Generalized epilepsy with febrile seizures plus, type 7|Neuropathy, hereditary sensory and autonomic, type 2A
  • rs121908919Conflicting interpretationssingle nucleotide variantGeneralized epilepsy with febrile seizures plus, type 7|Global developmental delay|Hypoglycemia|Seizure|Generalized epilepsy with febrile seizures plus, type 7|Neuropathy, hereditary sensory and autonomic, type 2A|Primary erythromelalgia|Channelopathy-associated congenital insensitivity to pain, autosomal recessive|Paroxysmal extreme pain disorder
  • rs141268327Conflicting interpretationssingle nucleotide variantSevere myoclonic epilepsy in infancy|Channelopathy-associated congenital insensitivity to pain, autosomal recessive|Inherited Erythromelalgia|Paroxysmal extreme pain disorder|Neuropathy, hereditary sensory and autonomic, type 2A|Primary erythromelalgia|Primary erythromelalgia|Severe myoclonic epilepsy in infancy|Channelopathy-associated congenital insensitivity to pain, autosomal recessive|Paroxysmal extreme pain disorder|Generalized epilepsy with febrile seizures plus, type 7|Neuropathy, hereditary sensory and autonomic, type 2A|Generalized epilepsy with febrile seizures plus, type 7
  • rs144941725Conflicting interpretationssingle nucleotide variantPrimary erythromelalgia|Channelopathy-associated congenital insensitivity to pain, autosomal recessive|Small fiber neuropathy|Paroxysmal extreme pain disorder|Neuropathy, hereditary sensory and autonomic, type 2A|Generalized epilepsy with febrile seizures plus, type 7
  • rs147623238Conflicting interpretationssingle nucleotide variantNeuropathy, hereditary sensory and autonomic, type 2A|Generalized epilepsy with febrile seizures plus, type 7
  • rs151241025Conflicting interpretationssingle nucleotide variantNeuropathy, hereditary sensory and autonomic, type 2A|Generalized epilepsy with febrile seizures plus, type 7
  • rs182650126Conflicting interpretationssingle nucleotide variantSmall fiber neuropathy|Inherited Erythromelalgia|Paroxysmal extreme pain disorder|Channelopathy-associated congenital insensitivity to pain, autosomal recessive|Neuropathy, hereditary sensory and autonomic, type 2A|Generalized epilepsy with febrile seizures plus, type 7|Neuropathy, hereditary sensory and autonomic, type 2A|Primary erythromelalgia
  • rs184773311Conflicting interpretationssingle nucleotide variantNeuropathy, hereditary sensory and autonomic, type 2A|Generalized epilepsy with febrile seizures plus, type 7
  • rs187453572Conflicting interpretationssingle nucleotide variantSmall fiber neuropathy|Channelopathy-associated congenital insensitivity to pain, autosomal recessive|Primary erythromelalgia|Paroxysmal extreme pain disorder|Neuropathy, hereditary sensory and autonomic, type 2A|Generalized epilepsy with febrile seizures plus, type 7|Seizure|Generalized epilepsy with febrile seizures plus, type 7
  • rs188145203Conflicting interpretationssingle nucleotide variantPrimary erythromelalgia|Channelopathy-associated congenital insensitivity to pain, autosomal recessive|Small fiber neuropathy|Paroxysmal extreme pain disorder|Generalized epilepsy with febrile seizures plus, type 7|Neuropathy, hereditary sensory and autonomic, type 2A
  • rs199692186Conflicting interpretationssingle nucleotide variantPrimary erythromelalgia|Paroxysmal extreme pain disorder|Small fiber neuropathy|Channelopathy-associated congenital insensitivity to pain, autosomal recessive|Childhood epilepsy with centrotemporal spikes|Neuropathy, hereditary sensory and autonomic, type 2A|Generalized epilepsy with febrile seizures plus, type 7
  • rs200014315Conflicting interpretationssingle nucleotide variantParoxysmal extreme pain disorder|Primary erythromelalgia|Channelopathy-associated congenital insensitivity to pain, autosomal recessive|Small fiber neuropathy|Neuropathy, hereditary sensory and autonomic, type 2A|Generalized epilepsy with febrile seizures plus, type 7
  • rs200065104Conflicting interpretationssingle nucleotide variantNeuropathy, hereditary sensory and autonomic, type 2A|Generalized epilepsy with febrile seizures plus, type 7
  • rs200682458Conflicting interpretationssingle nucleotide variantPrimary erythromelalgia|Paroxysmal extreme pain disorder|Inherited Erythromelalgia|Channelopathy-associated congenital insensitivity to pain, autosomal recessive|Neuropathy, hereditary sensory and autonomic, type 2A|Generalized epilepsy with febrile seizures plus, type 7
  • rs200945460Conflicting interpretationssingle nucleotide variantSmall fiber neuropathy|Primary erythromelalgia|Channelopathy-associated congenital insensitivity to pain, autosomal recessive|Paroxysmal extreme pain disorder|Generalized epilepsy with febrile seizures plus, type 7|Neuropathy, hereditary sensory and autonomic, type 2A
  • rs71428908Conflicting interpretationssingle nucleotide variant6 conditions|Neuropathy, hereditary sensory and autonomic, type 2A|Generalized epilepsy with febrile seizures plus, type 7|Primary erythromelalgia|Channelopathy-associated congenital insensitivity to pain, autosomal recessive|Paroxysmal extreme pain disorder|Neuropathy, hereditary sensory and autonomic, type 2A
  • rs79805025Conflicting interpretationssingle nucleotide variantParoxysmal extreme pain disorder|Primary erythromelalgia|Small fiber neuropathy|Channelopathy-associated congenital insensitivity to pain, autosomal recessive|Generalized epilepsy with febrile seizures plus, type 7|Neuropathy, hereditary sensory and autonomic, type 2A
  • rs267607030Likely benignsingle nucleotide variantPrimary erythromelalgia|Channelopathy-associated congenital insensitivity to pain, autosomal recessive|Inherited Erythromelalgia|Paroxysmal extreme pain disorder|Neuropathy, hereditary sensory and autonomic, type 2A|Generalized epilepsy with febrile seizures plus, type 7
  • rs121908920Uncertain significancesingle nucleotide variantFebrile seizures, familial, 3b|Generalized epilepsy with febrile seizures plus, type 7|Neuropathy, hereditary sensory and autonomic, type 2A|6 conditions
  • rs147639592Uncertain significancesingle nucleotide variantNeuropathy, hereditary sensory and autonomic, type 2A|Generalized epilepsy with febrile seizures plus, type 7
  • rs192406412Uncertain significancesingle nucleotide variantGeneralized epilepsy with febrile seizures plus, type 7|Neuropathy, hereditary sensory and autonomic, type 2A|6 conditions|Generalized epilepsy with febrile seizures plus, type 7

Other listed variants

Public references

Data from the institutional reference table and public NCBI annotation. For education only; not a substitute for medical or genetic counselling.