R40.1

Applicable To

• Catatonic stupor

• Semicoma

Approximate Synonyms

• Mental status, semicoma

• Mental status, stupor

• Semicoma

Clinical Information

• ob-tun-day-shun) a dulled or reduced level of alertness or consciousness.

• A dulled or reduced level of alertness or consciousness.

• A state of reduced sensibility and response to stimuli which is distinguished from coma in that the person can be aroused by vigorous and repeated stimulation. The person is still conscious and can make voluntary movements. It can be induced by central nervous system agents. The word derives from latin stupere and is related to stunned, stupid, dazed or lethargy.

Details

• R40.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

• The 2023 edition of ICD-10-CM R40.1 became effective on October 1, 2022.

• This is the American ICD-10-CM version of R40.1 – other international versions of ICD-10 R40.1 may differ.