ICD-9 Diagnosis Code 655.03

Fetal cns malfor-antepar

Diagnosis Code 655.03

ICD-9: 655.03
Short Description: Fetal cns malfor-antepar
Long Description: Central nervous system malformation in fetus, antepartum condition or complication
This is the 2014 version of the ICD-9-CM diagnosis code 655.03

Code Classification
  • Complications of pregnancy, childbirth, and the puerperium
    • Normal delivery, and other indications for care in pregnancy, labor, and delivery (650-659)
      • 655 Known or suspected fetal abnormality affecting management of mother

Information for Patients

Brain Malformations

Also called: Cephalic disorders

Most brain malformations begin long before a baby is born. Something damages the developing nervous system or causes it to develop abnormally. Sometimes it's a genetic problem. In other cases, exposure to certain medicines, infections or radiation during pregnancy interferes with brain development. Types of brain malformations include missing parts of the brain, abnormal growth of certain parts of the brain, and incomplete division of the brain.

There are head malformations that do not involve the brain. Craniofacial disorders are the result of abnormal growth of soft tissue and bones in the face and head. It's common for new babies to have slightly lopsided heads, but parents should watch the shape of their baby's head for possible problems.

  • Brain surgery
  • Brain surgery - discharge

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Fetal Health and Development

A normal pregnancy lasts nine months. Each three-month period of pregnancy is called a trimester. During each trimester, the fetus grows and develops. There are specific prenatal tests to monitor both the mother's health and fetal health during each trimester.

With modern technology, health professionals can

  • Detect birth defects
  • Identify problems that may affect childbirth
  • Correct some kinds of fetal problems before the baby is born

  • Developmental disorders of the female reproductive tract
  • Fetal development
  • Intrauterine growth restriction

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Neural Tube Defects

Neural tube defects are birth defects of the brain, spine, or spinal cord. They happen in the first month of pregnancy, often before a woman even knows that she is pregnant. The two most common neural tube defects are spina bifida and anencephaly. In spina bifida, the fetal spinal column doesn't close completely. There is usually nerve damage that causes at least some paralysis of the legs. In anencephaly, most of the brain and skull do not develop. Babies with anencephaly are usually either stillborn or die shortly after birth. Another type of defect, Chiari malformation, causes the brain tissue to extend into the spinal canal.

The exact causes of neural tube defects aren't known. You're at greater risk of having an infant with a neural tube defect if you

  • Are obese
  • Have poorly controlled diabetes
  • Take certain antiseizure medicines

Getting enough folic acid, a type of B vitamin, before and during pregnancy prevents most neural tube defects.

Neural tube defects are usually diagnosed before the infant is born, through lab or imaging tests. There is no cure for neural tube defects. The nerve damage and loss of function that are present at birth are usually permanent. However, a variety of treatments can sometimes prevent further damage and help with complications.

NIH: National Institute of Child Health and Human Development

  • Anencephaly

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