Does R45.4 require prior authorization?

No, R45.4 does not require prior authorization (high confidence). Code is covered without prior authorization.

`R45.4`, Irritability and anger

ICD-10-CM

No Prior Auth Required

Code is covered without prior authorization (high confidence)

Claims must meet the reasonable and necessary requirements described in the related LCD (L35101); providers must retain medical record documentation supporting medical necessity per the LCD.
When billing for services that are not covered, the claim must include the appropriate modifier to indicate non-coverage status.
When a second provider bills a diagnostic interview for a beneficiary they are seeing for the first time, documentation should support that it is the provider's first encounter with the beneficiary.
Medical records must include history and physical notes, laboratory results, and documentation of signs and symptoms that warrant the head/neck diagnostic imaging.

Diagnostic interview codes (e.g., CPT 90791/90792) are indicated for the initial evaluation of a beneficiary, and a second provider seeing the beneficiary for the first time may report diagnostic interview codes for that initial encounter.
CPT code 96105 is indicated for formal evaluation of aphasia using a standardized instrument (for example, the Boston Diagnostic Aphasia Examination).
HCPCS codes G0017 and G0018 are appropriate for services provided in non-facility places of service other than Office.
CT or MRI scans of the head or neck are covered when the medical record documents the scan is reasonable and necessary for diagnostic evaluation.
Coverage requires documentation supporting clinical indication such as history and physical exam findings, laboratory results, and signs or symptoms that justify the diagnostic test.
fMRI lateralizes language in children with cerebral lesions.

NOVITAS-JH-L35101, Psychiatric Codes

NOVITAS-JL-L35101, Psychiatric Codes

A57130, Billing and Coding: Psychiatric Codes

AETNA-CPB-0739, Quantitative, Functional and Connectomic Analysis of Brain MRI

A57204, Billing and Coding: MRI and CT Scans of the Head and Neck

Ask Backwork about documentation requirements, denial risks, or coverage in your state.