MB20.1 Coma

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2026-01


Acute state lasting more than one hour and usually less than a month. The comatose patient is unresponsive, lying with their eyes closed and cannot be aroused even by vigorous and noxious stimuli. Motor responses to noxious stimulation are limited to reflexive behaviour. Etiologies include but are not limited to traumatic, anoxic, infectious, neoplastic, vascular, inflammatory and metabolic brain injuries.

exclusions

postcoordination

Add Stem and/or Extension codes to form a cluster code which adds detail to the condition.

Has pupil reaction score  - only one may be selected
Has gcs eye score  - only one may be selected
Has gcs motor score  - only one may be selected
Has gcs verbal score  - only one may be selected
Has causing condition  - a selection is required  - multiple selections are allowed

synonyms

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