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2007 ICD-9-CM Volume 1 Diagnosis Codes Home > Congenital Anomalies 740-759 > Anencephalus And Similar Anomalies 740.* >

2007 ICD-9-CM Diagnosis 740.0

Anencephalus

This code may be outdated. View the most recent version of ICD-9-CM 740.0

  • A malformation of the nervous system caused by failure of the anterior neuropore to close. Infants are born with intact spinal cords, cerebellums, and brainstems, but lack formation of neural structures above this level. The skull is only partially formed but the eyes are usually normal. This condition may be associated with folate deficiency. Affected infants are only capable of primitive (brain stem) reflexes and usually do not survive for more than two weeks. (From Menkes, Textbook of Child Neurology, 5th ed, p247)
  • 740.0 is a specific code that can be used to specify a diagnosis
  • 740.0 contains 25 index entries
  • View the ICD-9-CM Volume 1 740.* hierarchy

740.0 also known as:

  • Acrania
  • Amyelencephalus
  • Hemianencephaly
  • Hemicephaly

Index entries containing 740.0:

Absence (organ or part) (complete or partial)
  • brain 740.0
  • skull bone 756.0
    • with
      • anencephalus 740.0
Acephalia, acephalism, acephaly 740.0
Acephalic 740.0
Acephalus 740.0
Acrania 740.0
Agenesis - see also Absence, by site, congenital
  • brain 740.0
  • skull (bone) 756.0
    • with
      • anencephalus 740.0
Amyelencephalus 740.0
Anencephalus, anencephaly 740.0
  • fetal, affecting management of pregnancy 655.0
Anomaly, anomalous (congenital) (unspecified type) 759.9
  • bone NEC 756.9
    • skull 756.0
      • with
        • anencephalus 740.0
  • hemianencephaly 740.0
  • hemicephaly 740.0
  • hemicrania 740.0
  • skull (bone) 756.0
    • with
      • anencephalus 740.0
  • specified type NEC
    • bone(s) 756.9
      • skull 756.0
        • with
          • anencephalus 740.0
    • skull (bone(s)) 756.0
      • with
        • anencephalus 740.0
Aplasia - see also Agenesis
  • brain 740.0
Deformity 738.9
  • skull (acquired) 738.19
    • congenital 756.0
      • with
        • anencephalus 740.0
Distortion (congenital)
  • skull bone(s) 756.0
    • with
      • anencephalus 740.0
Hemianencephaly 740.0
Hemicephalus, hemicephaly 740.0
Hemicrania 346.9
  • congenital malformation 740.0
Hypoplasia, hypoplasis 759.89
  • skull (bone) 756.0
    • with
      • anencephalus 740.0
Imperfect
  • closure (congenital)
    • skull 756.0
      • with
        • anencephalus 740.0