Summary & Overview
HCPCS G9466: Completion of AOE Measures Quality Actions
HCPCS Level II code G9466 documents that all required quality actions in the Age-Appropriate Assessment (AOE) measures group were completed for a patient. As a tracking and reporting code, G9466 supports quality measurement, compliance with payer reporting requirements, and electronic health record documentation workflows. Nationally, such codes matter because they standardize how clinicians and health systems indicate completion of preventive and age-specific assessment bundles, which influences quality reporting metrics and value-based payment programs.
Key payers included in this analysis are Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise explanation of the code’s clinical and administrative purpose, typical service settings, and what completion of the AOE measures group entails for documentation. The publication also outlines benchmarks and reporting considerations where available, summarizes relevant policy and reporting updates that affect quality-measure coding, and places G9466 in the context of quality reporting workflows and electronic health record capture. Data not available in the input is noted where applicable.
Billing Code Overview
HCPCS Level II code G9466 indicates that all quality actions for the applicable measures in the AOE measures group have been performed for this patient. This status code documents completion of the full set of Age-Appropriate Assessment or AOE (ask, offer, and encourage) measure actions for an individual encounter.
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Service type: Quality reporting/measure completion documentation
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Typical site of service: Ambulatory care settings where preventive screening and age-appropriate assessments are performed, including primary care clinics and outpatient specialty practices
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Clinical & Coding Specifications
Clinical Context
A patient presents to a primary care clinic or outpatient behavioral health setting for routine population health screening and documentation as part of an annual visit or chronic care management. The clinician completes all required elements for the applicable Adolescent/Adult Immunizations and Other Preventive/Assessment (AOE) measures group: patient outreach or encounter, review of relevant health records, assessment of eligibility for each measure, performance or documentation of vaccinations and counseling, and recording of measured outcomes in the electronic health record. The workflow typically includes verification of patient identity and insurance, review of past immunization and preventive care history, delivery of any due vaccines or preventive actions, counseling and shared decision-making, and submission of quality-data reporting elements to a registry or payor quality program. After all required quality actions for the applicable measures in the AOE group have been completed and documented for the patient during the reporting period, the practice reports the single HCPCS Level II code G9466 to indicate that all quality actions for the applicable AOE measures were performed for that patient.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
-25 | Significant, separately identifiable evaluation and management service on the same day as a procedure | When a distinct E/M visit is documented on the same day as delivery of preventive services related to AOE measures. |