G8930 Assessment of Depression Severity (HCPCS) Reimbursement

HCPCS Level II code G8930 denotes an assessment of depression severity performed at the initial clinical evaluation. This administrative code captures the structured evaluation of depressive symptoms at the start of care, which supports clinical decision-making, treatment planning, and documentation for behavioral health and primary care settings. Nationally, consistent use of such assessment codes helps track quality of care, identify needs for follow-up, and inform population-level mental health monitoring.

Key payers addressed include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of the code's clinical role, typical sites of service, and the implications for billing and documentation. The publication outlines benchmarking considerations, common policy interpretations by major payers, and the clinical context for initial depression severity measurement. It also highlights where input data are unavailable and which operational elements require payer-specific review.

This summary is intended for revenue cycle leaders, behavioral health clinicians, and policy analysts seeking a national perspective on how G8930 is used to document initial depression severity assessments and how that use intersects with payer policies and quality measurement.

Billing Code Overview

HCPCS Level II code G8930 represents an assessment of depression severity at the initial evaluation. This service is typically a standardized clinical assessment performed to determine the presence and severity of depressive symptoms when a patient is first evaluated for mental health concerns.

Service type: Initial mental health evaluation focusing on depression severity assessment
Typical site of service: Outpatient behavioral health or primary care clinic during an initial evaluation visit

Data not available in the input for modifiers, associated taxonomies, ICD-10 diagnoses, related codes, and service line.

Clinical Context

A 28-year-old woman presents to an outpatient behavioral health clinic for an initial psychiatric evaluation after primary care screening indicated possible major depressive disorder. The intake visit is scheduled for 60 minutes with a licensed clinical social worker or psychiatrist. During the initial evaluation the clinician administers a validated depression severity instrument (for example the PHQ-9 or similar) to quantify symptom burden, documents baseline score, onset, functional impact, suicidal ideation screen, prior treatment history, current medications, and safety planning. The assessment of depression severity at the initial evaluation informs diagnostic formulation, treatment planning (psychotherapy, pharmacotherapy, or collaborative care referral), frequency of follow-up, and need for immediate safety interventions. Typical workflow steps: patient completes self-report measure in waiting area or electronically; clinician reviews and scores the instrument, integrates score with clinical interview, documents results in the medical record, and communicates next steps to the patient. This service is commonly provided in outpatient behavioral health clinics, community mental health centers, primary care offices with integrated behavioral health, and telehealth settings.

Coding Specifications

Modifier	Description	When to Use
`25`	Significant, separately identifiable evaluation and management service by the same physician on the same day of the procedure or other service	Use when a separately identifiable E/M visit accompanies the depression severity assessment at the same encounter

Taxonomy Code	Specialty	Notes
`103T00000X`	Psychiatry & Neurology	Psychiatrists commonly perform initial evaluations and severity assessments
`1041A0400X`	Clinical Social Worker	Licensed clinical social workers frequently administer and interpret depression scales in outpatient settings
`101Y00000X`	Family Medicine	Primary care physicians often perform initial depression screening and severity assessment in integrated care
`104100000X`	Nurse Practitioner	Psychiatric or primary care nurse practitioners commonly conduct initial evaluations and scoring
`2084P0800X`	Behavioral Health Counselor	Licensed professional counselors provide assessments and coordinate follow-up care

Related Diagnoses

ICD-10 Code	Description	Clinical Relevance
`F32.0`	Major depressive disorder, single episode, mild	Common diagnosis when initial assessment demonstrates mild depressive symptoms
`F32.1`	Major depressive disorder, single episode, moderate	Represents moderate severity identified by the assessment
`F32.2`	Major depressive disorder, single episode, severe without psychotic features	Identified when assessment and interview reveal high symptom burden and functional impairment
`F33.1`	Major depressive disorder, recurrent, moderate	Applicable when the patient has prior episodes and current moderate severity
`F41.1`	Generalized anxiety disorder	Frequently comorbid; assessment may prompt evaluation for anxiety contributing to depressive symptoms
`R45.851`	Suicidal ideation	Screening during the initial assessment often includes evaluation for suicidal thoughts and safety risk
`Z71.89`	Other specified counseling	May be used to document counseling related to depression education and referral
`Z13.89`	Encounter for screening for other conditions	Used when the visit is focused on behavioral health screening and initial assessment

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`90791`	Psychiatric diagnostic evaluation (no medical services)	Often performed at initial visit; includes clinical interview and supports interpretation of the depression severity assessment
`99204`	Office or other outpatient visit for the evaluation and management of a new patient, typically 45 minutes	E/M code for a comprehensive initial evaluation in primary care or behavioral health settings when combined with standardized severity assessment
`96127`	Brief emotional/behavioral assessment (e.g., depression inventory), with scoring and documentation, per standardized instrument	Commonly used for brief standardized depression screening/monitoring; may be billed alongside or instead of other assessment codes depending on payer policy
`99420`	Administration and interpretation of health risk assessment instrument (removed in some payers)	Historically related to structured assessments and may be referenced in workflows involving standardized measures
`90837`	Psychotherapy, 60 minutes with patient	May follow initial assessment when psychotherapy is initiated based on severity findings

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Summary & Overview

HCPCS G8930: Assessment of Depression Severity at Initial Evaluation