Understand the work. Check the numbers.
Practical guides for outpatient and hospital clinicians: document the service, understand the code and follow your work through to compensation. Read current guidance alongside clearly labeled policy proposals, with official sources and examples you can use.
PUT THE RULES INTO PRACTICE
A few minutes. One coding decision.
Work through fictional office-visit cases, choose an answer and see the reasoning with linked sources. Free educational beta; independent clinician review is pending.
Try the coding cases ↗Articles
Proposal — not in effect
G2211 in 2027: CMS's Proposal and the Rules to Use Today
Separate CMS's proposed 2027 G2211 payment modifiers from current billing rules, and prepare a practical review checklist for your practice.
Current guidance
Hospital-at-Home Telehealth: POS 21 and Modifier 95
Review CMS's October 2026 reminder on telehealth for Acute Hospital Care at Home patients, with a focused billing workflow checklist.
Practical guide
How to Review Your Hospital wRVU Report: A Physician Checklist
Compare hospital productivity reports with your compensation terms, investigate missing or adjusted credits, and keep a clear reconciliation log.
Current guidance
Telehealth Billing in 2026: POS 02, POS 10, AHCAH POS 21 and Modifier 95
Check current Medicare telehealth timing, patient-location POS rules and service-specific modifier requirements before coding a visit.
When to Use G2211: Care Relationships and Eligible Visits
Review G2211 care relationships, eligible settings, team coverage and same-day service limits using current CMS guidance.
AWV vs IPPE vs Subsequent AWV: G0402, G0438, G0439
Distinguish IPPE, initial AWV and subsequent AWV eligibility, frequency limits and requirements for additional same-day services.
99495 vs 99496: TCM Timing and Documentation Checklist
Compare 99495 and 99496 discharge contact, face-to-face timing, MDM, and medication reconciliation requirements with a practical checklist.
G2211 with Modifier 25: Medicare Exceptions in 2026
Review Medicare's G2211 modifier-25 exceptions for qualifying preventive services, with same-day examples and documentation checks.
99213 vs 99214: Time and MDM Explained for 2026
Compare 99213 and 99214 using qualifying time or documented MDM. See a worked example and try the free guided E/M tool.
G0439 Frequency Limit: Medicare AWV Eligibility Explained
Understand the G0439 frequency limit, Medicare's 11-full-month counting rule, and how to confirm the next eligible Annual Wellness Visit.
How to Bill Modifier 25 Correctly (and When You Cannot)
Review the separately identifiable E/M requirement, supporting documentation and payer limits for modifier 25.
CCM (99490) vs TCM (99495 / 99496) in the Same Month: The 2026 Rules
Review Medicare CCM and TCM concurrent-service requirements, separate time accounting and TCM contact and visit deadlines.
99232 vs 99233: Time vs MDM for Hospitalist Subsequent Visits
Compare subsequent hospital care using documented MDM or qualifying time, with current Medicare prolonged-service distinctions.
Reference cards
Each guide links to the relevant code pages. Or jump straight to the full library.
Educational reference, not billing or legal advice. Verify against payer contracts and your compliance team before claim submission.