Hydrocephalus (acquired) (external) (internal) (malignant) (recurrent) - in the ICD-10-CM Index

Annotation Back-References in the 2025 ICD-10-CM Index to Diseases and Injuries

Browse the ICD-10-CM codes with references applicable to the clinical term "hydrocephalus (acquired) (external) (internal) (malignant) (recurrent)"

  • Hydrocephalus (acquired) (external) (internal) (malignant) (recurrent) - G91.9 Hydrocephalus, unspecified

    • aqueduct Sylvius stricture - Q03.0 Malformations of aqueduct of Sylvius

    • causing disproportion - O33.6 Maternal care for disproportion due to hydrocephalic fetus

      • with obstructed labor - O66.3 Obstructed labor due to other abnormalities of fetus

    • communicating - G91.0 Communicating hydrocephalus

    • congenital (external) (internal) - Q03.9 Congenital hydrocephalus, unspecified

      • specified NEC - Q03.8 Other congenital hydrocephalus

      • with spina bifida - Q05.4 Unspecified spina bifida with hydrocephalus

        • cervical - Q05.0 Cervical spina bifida with hydrocephalus

        • dorsal - Q05.1 Thoracic spina bifida with hydrocephalus

        • lumbar - Q05.2 Lumbar spina bifida with hydrocephalus

        • lumbosacral - Q05.2 Lumbar spina bifida with hydrocephalus

        • sacral - Q05.3 Sacral spina bifida with hydrocephalus

        • thoracic - Q05.1 Thoracic spina bifida with hydrocephalus

        • thoracolumbar - Q05.1 Thoracic spina bifida with hydrocephalus

    • due to toxoplasmosis (congenital) - P37.1 Congenital toxoplasmosis

    • foramen Magendie block (acquired) - G91.1 Obstructive hydrocephalus

      • congenital - See Also: Hydrocephalus, congenital; - Q03.1 Atresia of foramina of Magendie and Luschka

    • in (due to)

      • infectious disease NEC - B89 Unspecified parasitic disease

      • neoplastic disease NEC (see also Neoplasm) - G91.4 Hydrocephalus in diseases classified elsewhere

      • parasitic disease - B89 Unspecified parasitic disease

    • newborn - Q03.9 Congenital hydrocephalus, unspecified

      • with spina bifida - See: Spina bifida, with hydrocephalus;

    • noncommunicating - G91.1 Obstructive hydrocephalus

    • normal pressure - G91.2 (Idiopathic) normal pressure hydrocephalus

      • secondary - G91.0 Communicating hydrocephalus

    • obstructive - G91.1 Obstructive hydrocephalus

    • otitic - G93.2 Benign intracranial hypertension

    • post-traumatic NEC - G91.3 Post-traumatic hydrocephalus, unspecified

    • secondary - G91.4 Hydrocephalus in diseases classified elsewhere

      • post-traumatic - G91.3 Post-traumatic hydrocephalus, unspecified

    • specified NEC - G91.8 Other hydrocephalus

    • syphilitic, congenital - A50.49 Other late congenital neurosyphilis

Applicable Clinical Terms Definitions

Infant, Newborn: An infant during the first 28 days after birth.