| Office visits (E/M) | 99202–99205, 99211–99215 | Level selection by MDM or total time |
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| Visit complexity add-on | G2211 | Medicare longitudinal care relationship; payer rules vary |
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| Preventive medicine visits | 99381–99387, 99391–99397 | Age-based codes; modifier 25 when a problem is also addressed |
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| Annual Wellness Visit | G0438, G0439 | Once-a-year frequency; required elements documented |
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| Welcome to Medicare (IPPE) | G0402 | First 12 months of Part B only |
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| Chronic Care Management | 99490, 99439, 99491, 99487, 99489 | Patient consent, care plan, monthly time thresholds |
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| Advanced Primary Care Management | G0556, G0557, G0558 | Tier set by patient complexity; no time minimums |
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| Principal Care Management | 99424–99427 | Single high-risk condition |
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| Transitional Care Management | 99495, 99496 | Contact within 2 business days; face-to-face visit window |
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| Behavioral Health Integration | 99484, 99492–99494 | General BHI vs Collaborative Care Model |
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| Remote Patient Monitoring | 99453, 99454, 99457, 99458 | 16-day device data rule; interactive time |
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| Advance Care Planning | 99497, 99498 | Can pair with AWV with no patient cost share |
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| Prolonged services | 99417, G2212 | Commercial vs Medicare code selection |
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| Immunizations | 90460–90461, 90471–90474 + vaccine codes | Counseling vs non-counseling admin codes; VFC billing |
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| Screenings | G0444, 99406–99407, G0442/G0443 | Depression, tobacco cessation, alcohol screening |
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| Telehealth visits | POS 02 / POS 10, modifier 95 | Payer-specific place of service and modifier rules |
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