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ALL MEDICAL CODES IN CATEGORY Q00-Q99 (Congenital malformations, deformations and chromosomal abnormalities) > Q00-Q07 (Congenital malformations of the nervous system)

2025 ICD-10-CM code Q01.0

Frontal encephalocele, a congenital neural tube defect where brain tissue protrudes through a skull opening in the frontal region.

2025 ICD-10-CM code Q05.7

Lumbar spina bifida without hydrocephalus.

2025 ICD-10-CM code Q04.4

Septo-optic dysplasia of the brain, a rare congenital disorder characterized by hypoplasia of the optic nerves, midline brain abnormalities, and pituitary gland hypoplasia.

2025 ICD-10-CM code Q04.2

Holoprosencephaly is a rare birth defect affecting brain development.

2025 ICD-10-CM code Q07.03

Arnold-Chiari syndrome with spina bifida and hydrocephalus.

2025 ICD-10-CM code Q05.2

Lumbar spina bifida with hydrocephalus; also includes lumbosacral spina bifida with hydrocephalus.

2025 ICD-10-CM code Q04.8

This ICD-10-CM code classifies other specified congenital malformations of the brain, excluding conditions like cyclopia and macrocephaly.

2025 ICD-10-CM code Q06.0

Amyelia, a congenital malformation characterized by the absence of a portion of the spinal cord.

2025 ICD-10-CM code Q04.0

Congenital malformations of the corpus callosum, also known as agenesis of the corpus callosum.

2025 ICD-10-CM code Q01.9

Encephalocele, unspecified: A protrusion of brain tissue through a skull opening.

2025 ICD-10-CM code Q04.5

Megalencephaly is a condition characterized by an abnormally large brain size, typically diagnosed at birth or during early childhood, often leading to developmental delays and neurological issues.