Summary & Overview

CPT 1493F: Severe Dementia Classification

CPT code 1493F flags a clinical determination that a patient has severe dementia, characterized by substantial functional decline such as loss of bladder control, delusions, or inability to perform daily activities. Nationally, severity-classification codes inform care planning, eligibility for supportive services, and quality reporting for cognitive and behavioral health programs. The code is used across outpatient specialty clinics, memory disorders programs, and long-term care settings where formal cognitive and functional assessments occur.

Key payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find concise context about the clinical meaning of 1493F, its typical service settings, and what documentation supports reporting this code. The publication outlines common uses of the code for severity capture, its implications for care coordination and service authorization, and national considerations for quality measurement and claims processing.

The piece does not provide state-specific guidance. Data not available in the input are noted where applicable, and readers will learn which aspects require local payer policy verification and complete clinical documentation to support the severity designation.

AetnaBlue Cross Blue ShieldCigna HealthUnitedHealthcareMedicare1493FCPTdementiaseverity-classificationcognitive-assessmentbehavioral-healthlong-term-care

Billing Code Overview

CPT code 1493F indicates that a provider has diagnosed a patient with dementia and classified the condition as severe. The description identifies severe dementia by prominent symptoms such as loss of bladder control, delusions, or significant difficulty performing activities of daily living.

Service type: Diagnosis and severity classification of dementia, typically documented as part of a cognitive or behavioral health assessment.

Typical site of service: Outpatient clinic, neurology or psychiatry specialty clinic, memory care clinic, or long-term care facility where cognitive assessments and functional evaluations are performed.

Clinical & Coding Specifications

Clinical Context

A typical patient is an 82-year-old community-dwelling or long-term care resident with progressively worsening cognitive decline. The patient presents to a geriatrician, neurologist, or primary care provider with clear functional impairment: difficulty performing activities of daily living (ADLs), incontinence, and fixed delusions or hallucinations. The provider performs a focused clinical assessment including history from caregiver, brief cognitive testing (e.g., MMSE or MoCA), medication review, and functional assessment. The clinician documents that dementia is present and classifies the severity as severe when the patient demonstrates loss of bladder control, persistent delusions, and inability to perform basic ADLs independently. Typical workflow includes review of prior records and diagnostics (laboratory tests, neuroimaging if available), caregiver interview, application of severity criteria, documentation of cognitive and functional findings, and coding/billing using 1493F to indicate severe dementia for quality reporting or risk adjustment purposes. Typical site of service is an outpatient clinic, home visit, or nursing facility evaluation by a clinician qualified to assess cognitive disorders.

Coding Specifications

Modifier	Description	When to Use
`25`	Significant, separately identifiable E/M service by the same physician on the day of a procedure

Taxonomy Code	Specialty	Notes
`207QG0300X`	Geriatric Medicine	Specialists who commonly diagnose and stage dementia severity
`2084N0402X`	Neurology	Neurologists evaluate cognitive disorders and classify dementia severity
`207R00000X`	Family Medicine	Primary care clinicians who perform routine dementia assessment and documentation
`207L00000X`	Internal Medicine	Internists managing older adults with dementia in outpatient or institutional settings

ICD-10 Code	Description	Clinical Relevance
`G30.9`	Alzheimer disease, unspecified	Common underlying etiology of progressive dementia that may be staged as severe when functional loss and neuropsychiatric symptoms are present
`F03.90`	Unspecified dementia without behavioral disturbance	General dementia diagnosis that may be specified as severe when marked functional decline occurs
`F02.80`	Dementia in other diseases classified elsewhere without behavioral disturbance	Used when dementia is secondary to another disease (e.g., Parkinson disease) and severity is documented as severe
`F02.81`	Dementia in other diseases classified elsewhere with behavioral disturbance	Used when dementia due to another disease includes psychosis or delusions, consistent with severe presentation
`G31.84`	Mild cognitive impairment, so stated	May represent a precursor diagnosis; contrast with severe dementia documented by `1493F`

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`90791`	Psychiatric diagnostic evaluation (no medical services)	May be performed when a comprehensive psychiatric diagnostic interview is needed to evaluate behavioral symptoms or psychosis in a patient with severe dementia
`99483`	Assessment of and care planning for a patient with cognitive impairment, requiring complex evaluation and care coordination	Often performed alongside dementia severity documentation to evaluate cognition, develop a care plan, and address caregiver needs
`99341`	Home visit for new patient, typically 30 minutes	May be used when the dementia evaluation and severity classification occur during a home visit for homebound elderly patients
`99307`	Subsequent nursing facility care, per day, for evaluation and management of a patient	Used when ongoing facility-based care includes documentation of severe dementia status during follow-up visits
`96132`	Neuropsychological testing evaluation by physician or qualified health care professional with interpretation and report, first hour	Supplementary testing that may support staging of dementia severity when objective cognitive testing is required

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