R46.2

R46.2: Strange and inexplicable behavior

Billable / specific codeICD-10-CM

R46.2 is a billable, specific ICD-10-CM code for strange and inexplicable behavior. It is valid for submission on a claim.

Check R46.2 with the rest of the claim: free scrubber

Excludes1 inherited from the categories above R46.2

A category’s note binds every code beneath it.

Written on R46: Symptoms and signs involving appearance and behavior

appearance and behavior in schizophrenia, schizotypal and delusional disorders (F20-F29)
mental and behavioral disorders (F01-F99)

Risk adjustment

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

Medicare coverage

R46.2 is named in 1 Medicare coverage policy: 1 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A57130Billing and Coding: Psychiatric Codes

Alphabetic index entries that lead here

Behavior›inexplicable
Behavior›strange(and inexplicable)

Code history

Unchanged in every release from FY2024 to FY2027.