CPT 1490F: Dementia, Mild Severity

CPT code 1490F denotes a clinician’s documentation that a patient has dementia classified as mild severity, characterized by symptoms such as difficulty concentrating, forgetfulness, or trouble managing complex tasks. This classification is important for clinical staging, care planning, and quality reporting, and can influence care coordination and coverage decisions across payers nationally.

Key payers in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise review of the code’s clinical context, typical sites of service, and what documentation this code reflects. The publication outlines how 1490F is used in clinical records to communicate dementia severity, summarizes common use cases in outpatient settings (neurology, geriatrics, psychiatry, and primary care), and presents what to expect in payer coverage considerations and reporting workflows.

The content highlights benchmarking and policy-relevant topics tied to severity documentation, including implications for care management programs and value-based arrangements. Where specific payer policies or detailed claims-level benchmarks are not provided, the text states that those data are not available in the input.

Billing Code Overview

CPT code 1490F indicates that a clinician has diagnosed a patient with dementia and classified the condition as mild severity. The description specifies symptoms consistent with mild cognitive impairment, such as difficulty concentrating, forgetfulness, or challenges managing complex tasks.

Service type: Diagnosis and cognitive severity assessment. Typical site of service: outpatient clinic or physician office, including neurology, geriatrics, psychiatry, or primary care settings where cognitive assessments and diagnostic evaluations occur.

Data not available in the input.

Clinical Context

An older adult patient presents to a primary care or geriatrics clinic accompanied by a family member with concerns about increasing forgetfulness, difficulty concentrating, and trouble managing finances and complex tasks over several months. The clinician performs a focused cognitive assessment (history of cognitive decline, Mini-Cog or MMSE/ MoCA screening), reviews medication list and comorbidities, and documents functional status and safety concerns. After evaluation, the provider establishes a diagnosis of dementia and documents the severity as mild, noting specific symptoms such as diminished short-term memory, occasional disorientation to complex tasks, and preserved basic activities of daily living. The clinical workflow includes cognitive testing, medication reconciliation, discussion with the patient and caregiver regarding diagnosis and prognosis, formulation of a care plan (including follow-up and potential referral to neurology or neuropsychology), and detailed documentation to support coding with 1490F for dementia, mild severity. Typical sites of service are outpatient clinic, geriatrics clinic, primary care office, or memory disorder center.

Coding Specifications

Modifier	Description	When to Use
`25`	Significant, separately identifiable evaluation and management service on the same day as another procedure	Use when a distinct E/M visit is provided and documented on the same day as another billed service

Taxonomy Code	Specialty	Notes
`2084P0800X`	Geriatric Medicine	Clinicians specializing in older adult cognitive disorders
`2084N0400X`	Neurology	Neurologists diagnosing and staging dementia
`207Q00000X`	Family Medicine	Primary care physicians frequently make initial dementia diagnoses
`208D00000X`	Internal Medicine	Internists providing longitudinal cognitive care
`261QM0800X`	Neuropsychology	Performs formal cognitive testing and interpretation

Related Diagnoses

ICD-10 Code	Description	Clinical Relevance
`G30.0`	Alzheimer disease with early onset	Common etiology of dementia that may be classified as mild in early stages
`G30.1`	Alzheimer disease with late onset	Frequently responsible for progressive cognitive decline diagnosed as mild dementia initially
`G31.84`	Mild cognitive impairment, so stated	Differential diagnosis; documents less severe impairment often preceding dementia
`F03.90`	Unspecified dementia without behavioral disturbance	Used when dementia is documented but subtype is unspecified; can be coded with severity
`F02.80`	Dementia in other diseases classified elsewhere without behavioral disturbance	Used when dementia is secondary to another neurologic condition

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`99213`	Office or other outpatient visit for the evaluation and management of an established patient, typically 15 minutes	Common E/M level used when documenting cognitive assessment and counseling accompanying the dementia diagnosis
`96136`	Psychological or neuropsychological test administration and scoring by a physician or other qualified health care professional, two or more tests, any method, first 30 minutes	Used when targeted cognitive testing is performed as part of the diagnostic evaluation
`96138`	Psychological or neuropsychological test administration and scoring by physician or qualified health care professional, with interpretation and report, first 30 minutes	Used when testing includes interpretation and a separate report supporting diagnosis
`99483`	Cognitive assessment and care planning services, first 60 minutes with caregiver, includes medical decision making	Used for comprehensive care planning for patients with moderate to severe cognitive impairment; may be performed after initial mild severity diagnosis
`99306`	Initial nursing facility care, typically 45 minutes	Relevant when diagnosing or staging dementia in skilled nursing facility residents

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Summary & Overview