Is G0438 covered by Medicare?

Coverage varies by code, payer, and clinical context. Cross-check the current Medicare Local Coverage Determination (LCD) for the adjudicating Medicare Administrative Contractor (MAC), and any commercial payer policy for non-Medicare patients. Many HCPCS Level II codes (especially DME and certain drugs) require prior authorization.

What documentation is required for G0438?

Documentation must support medical necessity per the payer LCD or commercial-payer policy. For DME codes: written order, face-to-face encounter where required, beneficiary education. For drug codes: NDC, dose administered, units, route, site, wastage if applicable. For ambulance: origin, destination, miles, medical necessity. For supplies: linked diagnosis and medical necessity.

What are common denial reasons for G0438?

The most common denial categories are CO-16 (information missing or incorrect), CO-50 (medical necessity), and CO-151 (benefit maximum reached, often for DME rental cycles). Specific denial behavior varies by payer and plan.

Who can I get help from on G0438 billing?

For specialty-specific coding questions, AAPC- and AHIMA-credentialed coders on the Medonix team handle production billing for U.S. healthcare practices including HCPCS Level II claims (drugs, DME, ambulance, Medicare-specific procedures). Book a discovery call at /audit/ to talk through your specialty and payer mix.

HCPCS Level II · Procedures and professional services (temporary)

G0438: Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit

Name: Medonix MSO
Address: 300 Delaware Ave Suite 210, Wilmington, DE, 19801, US
Telephone: +1-302-520-5413
Price range: $$

G0438 is the HCPCS Level II code for Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit. Section G, Procedures and professional services (temporary). Code-specific billing context provided.

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G0438Ppps, initial visit

Section: GCategory: Procedures and professional services (temporary)Billable

About this code

Ppps, initial visit.

G0438 is a HCPCS Level II code in section G (Procedures and professional services (temporary)). The full official descriptor is: Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit.

Annual Wellness Visit, including PPPS (personalized prevention plan services), initial visit. Medicare beneficiary must be enrolled in Part B for at least 12 months. Document the required AWV elements: HRA, vital signs, depression screen, functional ability review, schedule of preventive services.

Payer-specific coverage rules vary. Always cross-check against the current Medicare Local Coverage Determination (LCD) for the adjudicating Medicare Administrative Contractor (MAC) or the commercial-payer policy.

Billing context

What practitioners watch for on G0438.

Code-specific billing guidance for G0438, written from production billing experience.

Documentation

Common denial categories

CO-16: Information missing or incorrect on the claim or supporting documentation. Add documentation specificity (NDC for drugs, serial number for DME, mileage for transport) and resubmit.
CO-50: Service not deemed medically necessary. Confirm the diagnosis-procedure relationship matches the payer LCD/NCD; attach clinical justification and resubmit.
CO-151: Payer benefit maximum reached for this period (often DME rental cycles). Verify benefit history; for DME rental-to-purchase cycles confirm month count and switch billing to purchase code where applicable.

Coverage signal

G0438 is Medicare-only. Cannot bill for commercial patients (use 99381-99397 instead). Cannot bill within 12 months of Welcome to Medicare visit (G0402).

Common specialties

Family Medicine · Internal Medicine

Companion codes

Codes commonly billed alongside G0438 based on Medonix client production data and CMS coding guidance.

2 codes

Z00.00Encounter for general adult medical exam, no abnormal findingsICD-10
G0444Annual depression screeningHCPCS

CPT is a registered trademark of the American Medical Association. Codes shown for educational reference only.

Related codes

Other codes in section G.

Search all codes

Sources

Where this entry comes from.

NLM Clinical Tables Search Service: the official U.S. National Library of Medicine API for HCPCS Level II lookup.
CMS HCPCS Quarterly Update: the authoritative HCPCS Level II release with annual major updates each January.
CMS Medicare Coverage Database: Local Coverage Determinations and National Coverage Determinations for payer-specific rules.

Frequently asked

About HCPCS code G0438.

G0438 is the HCPCS Level II code for Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit. It belongs to section G (Procedures and professional services (temporary)). Document the supply, drug, or service per the code descriptor and pair with the diagnosis (ICD-10) supporting medical necessity.

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