Scapuloperoneal spinal muscular atrophy

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Scapuloperoneal spinal muscular atrophy

ORPHA:431255Disease

Also called Neurogenic scapuloperoneal amyotrophy, New England type · SPSMA · Scapuloperoneal neuronopathy

What it is

A rare, genetic motor neuron disease characterized by predominantly motor axonal peripheral neuropathy manifesting with progressive scapuloperoneal muscular atrophy and weakness, laryngeal palsy, congenital absence of muscles, and, in some, skeletal abnormalities.

Key facts

Prevalence
<1 / 1 000 000
Age of onset
Childhood, Infancy, Neonatal
Inheritance
Autosomal dominant
Classified as
Disease

Prevalence figures describe populations, not individuals, and are often estimates from a single study. Where the figure is an incidence or a birth prevalence, it says so.

Gene

TRPV4Disease-causing germline mutation(s)

ICD-10 codes

G12.1filed under a broader ICD-10 category — shared with 15 other rare diseases

ICD-10 has no distinct code for most rare diseases, so many are filed under the nearest available one. A shared code identifies the group, not this disease — the ORPHAcode above is what identifies it.

Related health topics

Reached through the ICD-10 categories this disease is filed under, so these describe the broader group rather than this disease specifically.

Benefit programs to look at

Programs whose eligibility touches the same ICD-10 categories. Eligibility is decided by the administering agency, never by this page.

Cross-references

GARD 10314MONDO 0008408OMIM 181405UMLS C0751335

Orphadata Science: Free access data from Orphanet. © INSERM 1999. Data version 2026-06-23. Available under CC BY 4.0. This is a reference, not medical advice.

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