Guttmacher syndrome

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Guttmacher syndrome

ORPHA:2957Malformation syndrome

Also called Preaxial deficiency-postaxial polydactyly-hypospadias syndrome

What it is

Guttmacher syndrome is an extremely rare syndrome characterized by hypoplastic thumbs and halluces, 5th finger clinobrachydactyly, postaxial polydactyly of the hands, short or uniphalangeal 2nd toes with absent nails and hypospadias.

Key facts

Prevalence
<1 / 1 000 000
Age of onset
Infancy, Neonatal
Inheritance
Autosomal dominant
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.

Gene

HOXA13Disease-causing germline mutation(s)

ICD-10 codes

Q87.2filed under a broader ICD-10 category — shared with 60 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.

Cross-references

GARD 4470MESH C538278MONDO 0008301OMIM 176305UMLS C1867801

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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