03/23/2026
📊 BAC-Office E/M Coding Series
99213 vs 99214 — What’s the Difference?
Two of the most commonly billed Evaluation & Management codes for established patients are 99213 and 99214. Understanding the difference helps ensure accurate billing and proper reimbursement.
✔ 99213
Low level medical decision making
Typically used for stable conditions requiring limited management.
✔ 99214
Moderate level medical decision making
Used when multiple problems, medication management, or higher risk factors are involved.
💡 Billing Tip:
Since the 2021 E/M guideline changes, code selection is based primarily on Medical Decision Making (MDM) or total time spent on the date of service.
Correct E/M coding helps prevent downcoding, denials, and compliance risks.
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