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Classification and external resources
ICD-9-CM 780.09

Obtundation refers to less than full alertness (altered level of consciousness), typically as a result of a medical condition or trauma.[1]

The root word, obtund, means "dulled or less sharp" cf. obtuse angle.

See also[edit]


  1. ^ Panayiotopoulos, C. P. (2010). A Clinical Guide to Epileptic Syndromes and their Treatment. Springer Science & Business Media. pp. 76–77. ISBN 9781846286445. Retrieved 7 March 2018.

External links[edit]

  • The dictionary definition of obtundation at Wiktionary