Lethal congenital contracture syndrome…

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Lethal congenital contracture syndrome type 3

ORPHA:137783Malformation syndrome

Also called LCCS3

What it is

Lethal congenital contracture syndrome type 3 is a rare arthrogryposis syndrome characterized by clinical features identical to Lethal congenital contracture syndrome type 2 (i.e. multiple congenital contactures (typically extended elbows and flexed knees), micrognathia, anterior horn cells degeneration, skeletal muscle atrophy (mainly in the lower limbs), in the absence of hydrops, pterygia or bone fractures), but without bladder enlargement.

Key facts

Prevalence
<1 / 1 000 000
Age of onset
Antenatal, Neonatal
Inheritance
Autosomal recessive
Classified as
Malformation syndrome

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.

Genes

MYBPC1Disease-causing germline mutation(s)
PIP5K1CDisease-causing germline mutation(s)

ICD-10 codes

Q68.8filed under a broader ICD-10 category — shared with 29 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.

Cross-references

MESH C566961MONDO 0012656OMIM 611369OMIM 614915UMLS C1969655

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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