Unspecified coma

This code signifies a profound state of unconsciousness where the patient is unresponsive to external stimuli and internal needs, and cannot be aroused. It indicates a severe alteration in brain function, often due to an underlying medical condition, trauma, or toxic exposure, without further specification of the type or cause of the coma.

This code is appropriate when a patient presents with a comatose state, and the medical record lacks specific details regarding the type of coma (e.g., Glasgow Coma Scale score, specific etiology). It is used when documentation only states "coma" or "unresponsive" without further clinical characterization.

• Avoid using this code if more specific documentation, such as a Glasgow Coma Scale (GCS) score or a specific type of coma (e.g., traumatic coma, metabolic coma), is available.
• Always sequence this code after the underlying cause of the coma, if known and documented.
• Query the provider for more specific details if only "coma" is documented, to allow for more precise coding.