X - Extension Codes [ ICD 11 MMS 2018 ]

The ICD 11 Code X is a WHO Classified code for Extension Codes

Definition: These categories should never be used in primary coding. They are provided for use as supplementary or additional codes when it is desired to identify more detail in diseases classified elsewhere.

  • Severity Scale Value
  • Temporality
  • Aetiology
  • Topology Scale Value
  • Specific Anatomic Detail
  • Histopathology
  • Dimensions of injury
  • Dimensions of external causes
  • Consciousness
  • Substances
  • Diagnosis code descriptors
  • Capacity or context