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Extension Codes
Códigos de extensão
ChapterDefinition
!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.
Subcategories (14)
Severity Scale ValueTemporalityAetiologyTopology Scale ValueAnatomy and topographyHistopathologyDimensions of injuryDimensions of external causesConsciousnessSubstancesDiagnosis code descriptorsCapacity or contextHealth Devices, Equipment and SuppliesExtension codes of particular relevance to skin diseases