R41.9

R41.9: Unspecified symptoms and signs involving cognitive functions and awareness

Billable / specific codeICD-10-CM

R41.9 is a billable, specific ICD-10-CM code for unspecified symptoms and signs involving cognitive functions and awareness. It is valid for submission on a claim.

Check R41.9 with the rest of the claim: free scrubber

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Unspecified neurocognitive disorder

Excludes1 inherited from the categories above R41.9

A category’s note binds every code beneath it.

Written on R41: Other symptoms and signs involving cognitive functions and awareness

dissociative [conversion] disorders (F44.-)
mild cognitive impairment of uncertain or unknown etiology (G31.84)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

R41.9 is named in 7 Medicare coverage policies: 7 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A54969Billing and Coding: Nerve Conduction Studies and Electromyography
A56416Billing and Coding: Assays for Vitamins and Metabolic Function
A57130Billing and Coding: Psychiatric Codes
A57307Billing and Coding: Nerve Conduction Studies and Electromyography

Alphabetic index entries that lead here

Disorder›neurocognitive
Lack of›awareness
Lack of›cognitive functions
Symptoms NEC›involving›awareness
Symptoms NEC›involving›cognitive functions

Code history

Unchanged in every release from FY2024 to FY2027.