Altered Mental Status ICD-10-CM Codes

Altered Mental Status ICD-10-CM Codes

Read this short guide and learn about altered mental status ICD codes you can use.

By Katherine Ellison on Aug 8, 2025.

Fact Checked by Ericka Pingol.

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Commonly asked questions

Yes. There are too many to list down for this mini-guide. Just make sure to use valid and billable ICD-10 codes.

A wide variety of things can alter a person’s mental status. These include neurological problems like stroke, seizures, brain tumors, brain hemorrhages, and traumatic brain injuries. Alterations can also occur due to metabolic issues like dehydration, hypoglycemia, and hypothyroidism. Infections and drug withdrawals/overdoses can also cause alterations.

That depends on the status, how severe it is, and what is causing it. Some are lucky enough that their symptoms just fade quickly, and they’re back to normal. Some will require medication, oxygen, hydration, etc. Some will require surgery.

Some alterations are permanent and progressive, which means they can’t be cured and are expected to worsen over time, so treatment will come in the form of management to weaken their symptoms. The goal is to help the patient become as functional as possible despite the problem and help their loved ones cope and work around it.

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