8D66.2

ICD-11 MMS 2026-01

Syringobulbia

Description

Chronic progressive degenerative disorder of the CNS characterized by the formation of a fluid filled cavity known as a syrinx in the spinal cord that extends upwards to involve the medulla and pons. May occur in isolation or may also occur secondary to neoplasms, traumas, deformities of the craniocervical junction or meningitis.

Index terms

  • Syringobulbia
  • Syringobulbia associated with syringomyelia
  • Syringobulbia not associated with syringomyelia
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  • Syringobulbia due to certain specified causes

Exclusions from above levels

  • LA07.3 – Congenital hydromyelia
  • 05 – Endocrine, nutritional or metabolic diseases
  • 18 – Complications of pregnancy, childbirth and the puerperium
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  • 19 – Certain conditions originating in the perinatal period
  • 22 – Injury, poisoning or certain other consequences of external causes

Sibling codes

  • 8D66.0 – Idiopathic syringomyelia
  • 8D66.1 – Syringomyelia due to certain specified cause
  • 8D66.Y – Other specified syringomyelia or syringobulbia
  • 8D66.Z – Syringomyelia or syringobulbia, unspecified

Foundation entity

Syringobulbia – http://id.who.int/icd/entity/500607680

Allowed postcoordination axes

Part of: 8D66: Syringomyelia or syringobulbia › 08: Diseases of the nervous system