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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)