Part of Annual Wellness Visit
HCPCS G0438: Initial Annual Wellness Visit
The patient's first Annual Wellness Visit, establishing the initial personalized prevention plan.
Time threshold & code combinations
Billed once per patient, not recurring; must be at least 12 months after Part B enrollment or the IPPE.
- Mutually exclusive with G0439, only one AWV type is billed per year and only one initial AWV per patient, ever
- Can be billed the same day as 99497/99498 (Advance Care Planning) or G0506 (CCM initiating visit add-on) if those services are also furnished
Who can bill
- Physicians
- Non-physician practitioners (nurse practitioners, physician assistants, and similar)
- A medical professional (including a health educator, registered dietitian, or nutrition professional) working under the direct supervision of a physician
Eligibility & billing requirements
- Patient has not had an AWV before
- At least 12 months have passed since Part B enrollment or the one-time IPPE, if one was performed
- Health Risk Assessment completed
- Full medical/family/social history and current medication review
- Routine measurements and cognitive impairment screening
- Written personalized prevention plan provided to the patient
When to use it
First wellness visit after the eligibility window opens
A patient who enrolled in Part B 14 months ago and never had a 'Welcome to Medicare' visit comes in for their first Annual Wellness Visit.
Billing: G0438
Documentation checklist
- Health Risk Assessment
- Full history and medication review
- Cognitive screening results
- Written prevention plan
Common billing mistakes
- Billing G0438 within 12 months of Part B enrollment or the IPPE
- Billing G0438 a second time for the same patient (should be G0439 for any AWV after the first)