Diagnosis Code: 742.4

Short Description: Brain anomaly NEC

Long Description: Other specified congenital anomalies of brain

Code Classification:

• Congenital anomalies (740–759)
  • Congenital anomalies (740-759)
    • 742 Other congenital anomalies of nervous system
      • 742.4 Brain anomaly NEC

Code Version: 2015 ICD-9-CM

Synonyms

• Absence of septum pellucidum
• Aprosencephaly
• Arnold Chiari type 2 without hydrocephalus
• Atrophy of corpus callosum
• Calcium/calmodulin-dependent serine protein kinase related intellectual disability
• Cerebellar cortical dysplasia
• Cerebral cortical dysgenesis
• Chiari malformation type III
• Colloid cyst of third ventricle
• Congenital abnormal shape of cerebellum
• Congenital adhesions of cerebral meninges
• Congenital cerebellar cortical atrophy
• Congenital cerebral cyst
• Congenital choroid plexus cyst
• Congenital malformation of corpus callosum
• Congenital malformation of dural sinus
• Congenital porencephaly
• Congenital pseudoporencephaly
• Cortical dysplasia
• Cortical dysplasia with hemimegalencephaly
• Cystic malformation of posterior fossa
• Defect of telencephalic division
• Derodidymis
• Dural arteriovenous malformation
• Dyke-Davidoff-Masson syndrome
• Ecchordosis physaliphora
• Ectopic glial tissue
• Ectopic gray matter in centrum ovale
• Encephalo-ophthalmic dysplasia
• Familial aplasia of the vermis
• Familial megalencephaly
• Fetal choroid plexus cyst
• Fetal macrocephaly
• Granular cell hypoplasia
• Hemimegalencephaly
• Localized cortical dysplasia
• Macroencephaly
• Macrogyria
• Marinesco-Sjögren syndrome
• Multiple brain anomalies
• Multiple congenital cerebral cysts
• Muscle eye brain disease
• Nodular heterotopia
• Olivary heterotopia
• Olive dysplasia
• Partial absence of septum pellucidum
• Persistent Blake's pouch cyst
• Posterior fossa arachnoid cyst
• Prion disease
• Rhombencephalosynapsis
• Schizencephaly
• Single congenital cerebral cyst
• Sporadic megalencephaly
• Status marmoratus
• Subependymal nodular heterotopia
• Ulegyria
• X-linked periventricular heterotopia

References to Index of Diseases and Injuries

The code 742.4 has the following ICD-9-CM references to the Index of Diseases and Injuries

• Adhesion(s), adhesive (postinfectional) (postoperative)
  • meninges 349.2
    • cerebral (any) 349.2
      • congenital 742.4

• Anomaly, anomalous (congenital) (unspecified type) 759.9
  • brain 742.9
    • multiple 742.4
    • specified type NEC 742.4
  • dura 742.9
    • brain 742.4
  • meninges 742.9
    • brain 742.4
  • nervous system NEC 742.9
    • brain 742.9
      • specified type NEC 742.4
  • specified type NEC
    • brain 742.4

• Atrophy, atrophic
  • brain (cortex) (progressive) 331.9
    • congenital 742.4

• Cyst (mucus) (retention) (serous) (simple)
  • brain 348.0
    • congenital 742.4
    • third ventricle (colloid) 742.4
  • colloid
    • third ventricle (brain) 742.4
  • paraphysis, cerebri 742.4
  • porencephalic 742.4
    • acquired 348.0

• Cystic - see also condition
  • degeneration, congenital
    • brain 742.4

• Deformity 738.9
  • brain (congenital) 742.9
    • multiple 742.4
  • dura (congenital) 742.9
    • brain 742.4
      • acquired 349.2
  • meninges or membrane (congenital) 742.9
    • brain 742.4
      • acquired 349.2

• Degeneration, degenerative
  • brain (cortical) (progressive) 331.9
    • congenital 742.4
    • cystic 348.0
      • congenital 742.4

• Dilatation
  • cavum septi pellucidi 742.4
  • ventricular, ventricle (acute) (chronic) (see also Hypertrophy, cardiac) 429.3
    • cerebral, congenital 742.4

• Displacement, displaced
  • brain stem, caudal 742.4
  • cerebellum, caudal 742.4

• Distortion (congenital)
  • brain 742.4
  • gyri 742.4

• Ectopic, ectopia (congenital) 759.89
  • brain 742.4
  • cerebral 742.4

• Hematocephalus 742.4

• Heterotopia, heterotopic - see also Malposition, congenital
  • cerebralis 742.4

• Macroencephaly 742.4

• Macrogyria (congenital) 742.4

• Malposition
  • congenital
    • brain tissue 742.4

• Megalencephaly 742.4

• Porencephaly (congenital) (developmental) (true) 742.4
  • acquired 348.0
  • nondevelopmental 348.0
  • traumatic (post) 310.2

• Schizencephaly 742.4

• Softening
  • brain (necrotic) (progressive) 348.89
    • congenital 742.4

• Ulegyria 742.4

Crosswalk Information

The code 742.4 converts into the following ICD-10 code(s):

Similar Codes

This page was last updated on: 10/1/2014

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