Q01 Encephalocele

Non-billable header with 5 child codes.

Includes

• Arnold-Chiari syndrome, type III
• encephalocystocele
• encephalomyelocele
• hydroencephalocele
• hydromeningocele, cranial
• meningocele, cerebral
• meningoencephalocele

Excludes1 (never code together)

• Meckel-Gruber syndrome (Q61.9)

Applies from Q01 Encephalocele

Includes

• Arnold-Chiari syndrome, type III
• encephalocystocele
• encephalomyelocele
• hydroencephalocele
• hydromeningocele, cranial
• meningocele, cerebral
• meningoencephalocele

Excludes1 (never code together)

• Meckel-Gruber syndrome (Q61.9)

Codes under Q01

• Q01.0 Frontal encephalocele
• Q01.1 Nasofrontal encephalocele
• Q01.2 Occipital encephalocele
• Q01.8 Encephalocele of other sites
• Q01.9 Encephalocele, unspecified

Code annotations containing back-references to Q01

Back-references to Q01

• Type 1 Excludes: Q07.0 Arnold-Chiari syndrome ("Arnold-Chiari syndrome, type III (Q01.-)")
• Type 1 Excludes: Q75 Other congenital malformations of skull and face bones ("encephalocele (Q01.-)")

Back-references to Q01

• Type 1 Excludes: Q07.0 Arnold-Chiari syndrome ("Arnold-Chiari syndrome, type III (Q01.-)")
• Type 1 Excludes: Q75 Other congenital malformations of skull and face bones ("encephalocele (Q01.-)")

Nearby codes

• Q01 Encephalocele (this code)
• Q01.0 Frontal encephalocele
• Q01.1 Nasofrontal encephalocele
• Q01.2 Occipital encephalocele
• Q01.8 Encephalocele of other sites
• Q01.9 Encephalocele, unspecified