G8475 HCPCS Reimbursement & Policy Benchmarks | OpenPayer

Summary & Overview

HCPCS G8475: ACE/ARB Therapy Not Prescribed, Reason Not Given

HCPCS Level II code G8475 denotes that angiotensin-converting enzyme (ACE) inhibitor or angiotensin receptor blocker (ARB) therapy was not prescribed and no reason was documented. This code functions as a quality-documentation measure tied to medication management for patients for whom ACE/ARB therapy might be indicated. Nationally, consistent use of this code affects quality reporting and care continuity, as it flags instances where guideline-directed therapy may be absent without documented justification.

Key payers referenced in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise explanation of the code’s clinical context and implications for outpatient documentation, plus a review of common billing practices and benchmarks where available. The publication highlights how G8475 is used in ambulatory settings to record absence of ACE/ARB prescription and what that means for quality measurement and claims coding.

The piece also outlines typical service lines and sites of service for the code, common modifiers associated with related claims, and notes where input data was not available. This resource is intended for coding professionals, compliance officers, and clinicians seeking a national overview of the code’s purpose and reporting considerations.

AetnaBlue Cross Blue ShieldCigna HealthUnitedHealthcareMedicareG8475HCPCS Level IIACE inhibitorARBquality measuremedication managementoutpatientambulatory care

Billing Code Overview

HCPCS Level II code G8475 indicates Angiotensin converting enzyme (ACE) inhibitor or angiotensin receptor blocker (ARB) therapy not prescribed, reason not given. The service represented is a medication therapy documentation/quality measure related encounter, capturing that ACE inhibitor or ARB therapy was not prescribed without a documented reason.

Typical site of service: outpatient clinic or ambulatory care setting, where medication management and documentation of therapies are commonly recorded.

Data not available in the input.

Clinical & Coding Specifications

Clinical Context

A typical patient is an adult with diagnosed hypertension or heart failure seen in outpatient primary care or cardiology clinic for medication reconciliation. During the visit, the clinician documents that angiotensin converting enzyme inhibitor (ACE inhibitor) or angiotensin receptor blocker (ARB) therapy was not prescribed and no reason was recorded in the chart, which triggers submission of G8475. The workflow includes medication review, assessment of blood pressure and renal function, and decision-making about antihypertensive regimen. If ACE inhibitor or ARB therapy is intentionally withheld, the clinician should document the clinical rationale; absence of documented reason leads to reporting G8475 for quality/reporting purposes. Typical site of service is outpatient office or clinic; services commonly occur during evaluation and management visits, chronic care management, or cardiology follow-up appointments.

Coding Specifications

Modifier	Description	When to Use
`22`	Increased Procedural Services	Use when work required to manage the patient exceeded typical service and additional documentation supports intensity of service.

HCPCS G9927: Documentation of Trial-Related Anticoagulation Exclusion

HCPCS-G9497-PREOP-SMOKING-ABSTINENCE-INSTRUCTION

HCPCS G9497: Preoperative Instruction to Abstain from Smoking

HCPCS-G9836-REASON-TRASTUZUMAB-NOT-ADMINISTERED

HCPCS G9836: Reason for Not Administering Trastuzumab

HCPCS-G0466-FQHC-NEW-PATIENT-VISIT

HCPCS G0466: Federally Qualified Health Center New Patient Visit

HCPCS-G8959-DEPRESSION-CARE-COORDINATION-WITH-COMORBID-CONDITION

HCPCS G8959: Clinician Communication for Major Depressive Disorder and Comorbid Condition

HCPCS-G2003-MODERATE-POST-DISCHARGE-IN-HOME-VISIT-NEW-PATIENT

HCPCS G2003: Moderate Post-Discharge In-Home Visit for New Patients

HCPCS-G2201-DOCUMENTATION-OF-MEDICAL-REASON-FOR-NOT-PROVIDING-BRIEF-COUNSELING

HCPCS G2201: Documentation of Medical Reason for Not Providing Brief Counseling

HCPCS-G9429-PATHOLOGY-DOCUMENTATION-MISSING-TUMOR-FEATURES

HCPCS G9429: Documentation for Missing Tumor Pathology Elements

HCPCS-G8656-LOWER-LEG-FOOT-ANKLE-RESIDUAL-SCORE-NEGATIVE

HCPCS G8656: Lower Leg, Foot or Ankle Residual Impairment Score (<0)

HCPCS-G9697-REASON-NOT-PRESCRIBING-LONG-ACTING-INHALED-BRONCHODILATOR

HCPCS G9697: Documentation of Reason for Not Prescribing Long-Acting Inhaled Bronchodilator

Showing 1–10 of 1996

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Taxonomy Code	Specialty	Notes
`207Q00000X`	Family Medicine	Primary care clinicians who manage hypertension and chronic conditions.
`207R00000X`	Internal Medicine	Internists providing chronic disease management and medication decisions.
`207RC0000X`	Cardiology	Cardiologists managing heart failure, coronary disease, and ACE/ARB therapy decisions.
`363A00000X`	Nurse Practitioner	Advanced practice clinicians often managing medication prescribing and follow-up.
`367A00000X`	Physician Assistant	PAs involved in outpatient medication management and documentation.

Related Diagnoses

ICD-10 Code	Description	Clinical Relevance
`I10`	Essential (primary) hypertension	Primary indication for ACE inhibitor or ARB therapy; absence of documented reason for not prescribing may trigger `G8475`.
`I50.9`	Heart failure, unspecified	Heart failure is a common indication for ACE/ARB therapy; documentation of prescribing decisions is expected.
`E11.22`	Type 2 diabetes mellitus with diabetic chronic kidney disease	Diabetes with kidney disease influences ACE/ARB prescribing and monitoring decisions.
`N18.3`	Chronic kidney disease, stage 3 (moderate)	CKD stage affects ACE/ARB use due to renal function considerations; documentation of withholding therapy should be recorded.
`I25.10`	Atherosclerotic heart disease of native coronary artery without angina pectoris	Cardiovascular disease where ACE/ARB therapy may be indicated for secondary prevention.

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, low to moderate severity	Common E/M visit during which ACE inhibitor or ARB prescribing decisions and documentation occur; visit when `G8475` may be reported if reason not documented.
`99214`	Office or other outpatient visit for the evaluation and management of an established patient, moderate to high severity	Used for more complex medication management visits where ACE/ARB therapy decisions are made and documentation is expected.
`99490`	Chronic care management services, at least 20 minutes of clinical staff time directed by a physician or other qualified health care professional, per calendar month	Ongoing management of chronic hypertension or heart failure where medication reconciliation and documentation occur.
`93000`	Electrocardiogram, routine ECG with at least 12 leads; with interpretation and report	Often performed in cardiac evaluation visits that may inform decisions about ACE/ARB therapy.
`36415`	Collection of venous blood by venipuncture	Laboratory monitoring (e.g., serum creatinine, potassium) performed before or after initiating ACE inhibitor or ARB therapy.

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