Moderate hemophilia B

X-linked recessive

Infancy, Neonatal

Moderate multiminicore disease with hand involvement

Autosomal dominant

Childhood, Infancy, Neonatal

Moderately-differentiated thymic neuroendocrine carcinoma

Not applicable

Adult

Moebius syndrome

Autosomal dominant

Antenatal, Neonatal

Moebius syndrome-axonal neuropathy-hypogonadotropic hypogonadism syndrome

Not applicable

Infancy, Neonatal

Mohr-Tranebjaerg syndrome

X-linked recessive

Childhood

Monilethrix

Autosomal dominant, Autosomal recessive

Infancy, Neonatal

Monoamine oxidase A deficiency

X-linked recessive

Childhood

Monoclonal mast cell activation syndrome

All ages

Monomelic amyotrophy

Unknown

Adolescent, Adult

Mononen-Karnes-Senac syndrome

X-linked dominant

Infancy, Neonatal

Monosomy 13q14 syndrome

Not applicable

Infancy, Neonatal

Monosomy 13q34 syndrome

Not applicable

Antenatal, Neonatal

Monosomy 18p syndrome

Autosomal dominant

Antenatal, Infancy, Neonatal

Monosomy 18q syndrome

Autosomal dominant

Antenatal, Neonatal

Monosomy 22 syndrome

Neonatal

Monosomy 5p syndrome

Not applicable, Unknown

Antenatal

Monosomy 9p syndrome

Antenatal, Neonatal

Monosomy 9q22.3 syndrome

Not applicable, Unknown

Infancy, Neonatal

Monosomy X syndrome

Not applicable

Antenatal, Childhood, Infancy, Neonatal

Monostotic fibrous dysplasia

Not applicable

Morgagni-Stewart-Morel syndrome

Autosomal dominant, X-linked recessive

Adult

Morning glory disc anomaly

Childhood

Morvan syndrome

Adult