HCPCS

# G0438 HCPCS Code: Health Assessment and Wellness Visit

- April 11, 2025
- Posted by Brian Bertrand

11 Apr

The G0438 HCPCS code stands as a key element that enables Medicare to endorse preventive healthcare programs for enrolled beneficiaries. According to Medicare, the term Annual Wellness Visit represents the HCPCS G0438 code, which enables providers to execute thorough wellness evaluations while identifying health risks and developing tailored prevention plans. The visit becomes accessible to Medicare beneficiaries for the first time in their first year of enrollment. The healthcare system in the U.S. now focuses on preventive care, so both providers and patients must understand the G0438 HCPCS code together with its requirements and benefits, and the reimbursement process.

This blog provides detailed information about the G0438 HCPCS code, including its purpose and eligibility criteria, as well as documentation and coding rules, and the complex reimbursement process.

## What Is the HCPCS G0438 Code?

The HCPCS code G0438 enables you to bill for the first annual wellness visit of your patients. This service contains two distinct descriptors, which are “Annual wellness visit, includes a personalized prevention plan of service (PPPS), first visit” and “Annual wellness first.”

Understanding HCPCS G0438 requires attention to two important details.

- This code must be applied to patients outside the initial 12-month period after they started receiving Part B Medicare coverage.
- This service becomes available only to Medicare patients who do not have access to either their initial preventive physician examination or their annual wellness visit during the previous twelve months.

## Purpose of the Annual Wellness Visit (AWV)

The HCPCS code G0438 defines the Annual Wellness Visit (AWV) as an independent service different from standard physical examinations. AWV operates as a preventive service by conducting wellness examinations to identify patient risk variables while developing extended prevention strategies. It includes:

- Medical and family history review
- Current health risk assessment
- Personalized prevention plan
- Cognitive impairment screening
- Review of functional ability and safety

Healthcare practitioners aim to enhance healthy aging and cut down chronic disease numbers by using early diagnosis and individualized intervention strategies.

## Key Elements of the G0438 HCPCS Code

To bill using the HCPCS code G0438, providers must complete several specific elements during the patient visit. These include:

### 1. Health Risk Assessment (HRA)

An in-depth HRA must be completed, encompassing:

- Population statistics
- Health status
- Behavioral risks
- The critical daily living activities (CDLAs)
- Instrumental ADLs

### 2. Determining the Patient’s Family and Medical History

The clinician should also evaluate the patient’s family history, surgical history, and personal medical history to determine hereditary conditions or risks of chronic disease.

### 3. Medication and Supplement Assessment

It is required to document and review all ordered drugs, over-the-counter drugs, vitamins, and supplements for possible interactions or contraindications.

### 4. Key Indicators and Measurements

This encompasses:

- Height
- Weight
- Body Mass Index (BMI)
- Arterial Pressure
- Additional periodic inspections

### 5. Cognitive Function Assessment

The G0438 HCPCS code requires an assessment of cognitive function, that is, for dementia or memory loss, using the appropriate screening instruments or questionnaires.

### 6. Depressive and Mood Disorder Assessment

Assessment of mental disorders with standardized screening instruments, such as PHQ-9, is included in the consultation.

### 7. Safety and Functional Capacity Assessment

This involves assessing the patient’s home safety, risk of falling, and mobility.

### 8. A Screening Schedule Design

Considering the patient’s age, sex, and associated risk factors, health care professionals need to develop a screening schedule for preventive services such as cancer screening, vaccinations, and laboratory tests.

### 9. Personalized Prevention Plan of Service (PPPS)

A customized road map is developed, which encompasses:

- Recommended preventive interventions
- Lifestyle modification recommendations
- Referral to social resources, as shown

## Eligibility Criteria for HCPCS Code G0438

Under the HCPCS G0438, Medicare does not immediately grant wellness visit access to all patients. Specific criteria must be met:

- Enrollment in Medicare Part B must extend longer than 12 months for the patient.
- The program reimburses this healthcare service whenever needed by a Medicare beneficiary.
- The service requires an understanding distinction from “Welcome to Medicare” visit (G0402) because providers perform this visit when new enrollees join Medicare during their first 12 months.
- Patients cannot receive the service when less than 12 months have passed since their previous wellness visit.

Healthcare providers need to distinguish between their first Annual Wellness Visit service (G0438) and subsequent Annual Wellness Visits (G0439) because billing mistakes can occur when they do not differentiate them.

## Reimbursement Policies for HCPCS Code G0438

The reimbursement system for services with G0438 payment originates from multiple sources, which include the following elements:

- Lifetime Usage: The health care provider can file G0438 only once for a single beneficiary during their lifetime. Medical organizations should use HCPCS code G0439-25 to file claims after the beneficiary obtains their first AWV.
- Payment Amounts: Medical insurance in different regions issues payments between $160 and $163 for the initial AWV service under G04384.
- Bundled Services: Providers use AWV billing to include preventive screenings like depression screening or alcohol misuse counseling, thus they can boost their reimbursement within CMS guidelines.

## Documentation Requirements for HCPCS G0438

Accurate documentation is required to justify the G0438 HCPCS code during audits or claim reviews. The following details need to be documented specifically:

- Complete HRA with patient responses.
- Parameters and metrics.
- Results of cognitive and mood tests.
- Medical and family history review.
- A copy of the Personalized Prevention Plan on paper or electronically.
- Date of the previous wellness visit or “Welcome to Medicare” visit.

Electronic Health Record (EHR) systems should ideally have a predefined template to capture all components of the HCPCS code G0438.

## Reimbursement Policies for HCPCS Code G0438

Medical practitioners use HCPCS code G0438 to submit claims for the first Annual Wellness Visit (AWV) service with Personalized Prevention Plan of Service (PPPS) included. Medicare patients receive this service to evaluate their health risks and develop their preventive care plan. The following section explains all Medicare reimbursement policies related to HCPCS code G0438 in detail.

HCPCS Code G0438 requires Medicare compliance with two essential payment guidelines.

### 1. One-Time Lifetime Benefit

The Medicare program provides a single lifetime payment opportunity for the beneficiary HCPCS code G0438. Healthcare claims using G0438 that have already received payment from Medicare will be rejected through the implementation of Claim Adjustment Reason Code 149 combined with Remittance Advice Remark Code N117 (“This service is paid only once in a patient’s lifetime”).

### 2. Eligibility Criteria

Patients qualify for the service when they have maintained Medicare Part B enrollment beyond twelve months. The patient needs to be Medicare Part B enrolled for more than 12 months and should not have obtained an AWV or Initial Preventive Physical Examination (IPPE) in the previous 12 months. 14

The provider will receive CARC 119 (“Benefit maximum for this time period or occurrence has been reached”) when submitting claims within 12 months of another G0438 or G0439 AWV or G0402 IPPE service.

### 3. Reimbursement Rates

The payment amount for HCPCS code G0438 reaches approximately 50% above subsequent AWVs billed under G0439. Providers need to invest more effort in building an extensive health profile when customers first appear for care, which accounts for the higher initial visit reimbursement rate.

The 2025 reimbursement rates derive from the Medicare Physician Fee Schedule (PFS). The customary payment extent between $160 and $1807 spans across various geo-Medicare areas.

### 4. Bundling with Other Services

Medical practitioners who incorporate G0438 into other Medicare Part B preventive screenings, like depression evaluations or smoking cessation advice, receive additional payment. The services need documented proof of medical need through separate CPT codes accompanied by modifiers -256 to qualify for reimbursement.

### 5. Telehealth Reimbursement

Telehealth delivery of the AWV is eligible for Medicare reimbursement through G0438 when providers execute all necessary AWV components during the virtual session.

## Common Reasons for Claim Denials

### 1. Duplicate Billing

Claims that duplicate the G0438 service submission above on one occasion within a patient’s life span will automatically fail approval.

### 2. Improper Timing

The billing of services initiates rejection when conducted within 12 months of an AWV or IPPE because of limitations specified in eligibility rules.

### 3. Incomplete Documentation

Denials and audits from insurance companies occur when providers fail to document every required AWV c

## Reimbursement Tips

- Verify Eligibility: The physician must verify that prospective AWV patients fulfill Medicare’s eligibility standards while maintaining no previous initial AWV record.
- Use Accurate Codes: Healthcare providers need to apply HCPCS code G0438 specifically for AWV initial encounters while using G0439 for additional subsequent sessions.
- Document Thoroughly: Keep complete medical service logs active throughout the appointment that contain records of health risk assessment protocols and medical history analysis, and preventive care strategy recommendations.
- Leverage Additional Preventive Services: Healthcare providers can simultaneously build reimbursement opportunities and improve patient results by combining G0438 with acceptable preventive care procedures..

### Conclusion

The healthcare delivery of initial Annual Wellness Visits under Medicare depends on the proper utilization of the HCPCS code G0438. The correct application of this code fulfills CMS requirements and lets healthcare providers deliver full preventive care services. The successful implementation of HCPCS code G0438 requires healthcare organizations to grasp all aspects, including components and eligibility requirements and reimbursement rules, and coding specifications to improve billing processes and patient care.

## Frequently Asked Question

### What is G code G0438?

HCPCS code G0438 exists for the first Annual Wellness Visit (AWV) coverage under Medicare for beneficiaries. Accompanying G0438 and G0438 are items for the Personalized Prevention Plan of Service (PPPS) and Health Risk Assessment (HRA), which serve to create preventative health profiles while setting care strategies. The code exists for one lifetime usage by each Medicare beneficiary.

### Why is Medicare denying G0438?

Medicare will deny payment for HCPCS code G0438 under the following conditions: before a Medicare Part B one-year membership period, exclusive Part A coverage status or inappropriate primary diagnosis selection. The billing of G0438 twice during an unlimited time span or within one year after an AWV or IPPE triggers a denial from Medicare.

### Can G0438 be billed instead of G0402?

Medical facilities cannot substitute G0438 billing for G0402 when treating patients who enrolled in Medicare Part B less than 12 months since the IPPE service is designed exclusively for that duration. Healthcare professionals should bill G0438 for the first Annual Wellness Visit whenever patients move past IPPE eligibility or did not meet their IPPE appointment.

### Can G0438 be telehealth?

Medicare permits delivery of HCPCS code G0438 when done through telehealth. The remote delivery of Medicare services through G0438 requires the proper use of the Place of Service code 02 to specify the telehealth mode.

### What is the age limit for CPT code G0438?

The specific CPT code G0438 applies to beneficiaries aged 65 and older because it serves as the billing code for the initial Annual Wellness Visit (AWV) after they enter Medicare Part B for at least twelve months. G0438 does not establish any age restrictions, yet it targets mostly Medicare beneficiaries who moved to Medicare benefits beyond their health plan transition.

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