Catalog
Extension Codes
Link to WHO Definition
Extension Codes – http://id.who.int/icd/entity/979408586
!markdown Extension codes should never be used in primary classification coding or tabulation. - They are provided for use as supplementary or additional codes when desired to identify more detail in statistical categories classified elsewhere. - Extension codes may be used alone in other contexts.
Parents
Children
- Dimensions of external causes
- Anatomy and topography
- Substances
- Topology Scale Value
- Health Devices, Equipment and Supplies
- Capacity or context
- Diagnosis code descriptors
- Extension codes of particular relevance to skin diseases
- Histopathology
- Temporality
- Consciousness
- Aetiology
- ICD-O
- Severity Scale Value
- Dimensions of injury