CPT · E/M office visits
99203: Level-3 new patient office visit
99203 reports an office or outpatient visit for a new patient at low medical decision making, or 30 to 44 minutes of total provider time on the date of the encounter. New-patient status turns on whether the patient has been seen in the prior three years.
What it covers
A patient is new when neither the billing provider nor a same-specialty provider in the same group has delivered a face-to-face service within the prior three years. Getting this wrong is a frequent and fully preventable denial, particularly in multi-specialty groups where the specialty designation on file drives the determination.
The new-patient levels carry longer time bands than their established-patient counterparts, reflecting the additional work of establishing a history.
When to use it
- A first encounter with a self-limited or minor presenting problem
- A first encounter for a stable chronic condition being assumed from another practice
- Total time on the date of the encounter reaching 30–44 minutes
Where the boundary sits
| Compared with | The deciding rule |
|---|---|
| 99204 | Move up when the problems, data, or risk reach moderate, or when total time reaches 45 minutes. |
| 99213 | If the patient was seen by the group in the same specialty within three years, the established-patient series applies regardless of how new the problem is. |
Documentation that keeps it paid
- Confirm and record new-patient status against the three-year rule and group specialty
- Document the history established and the problems addressed
- If billing on time, record the total and its components
Denial & audit triggers
New vs. established misclassification
The three-year lookback runs across the group by specialty, not by individual provider. Multi-specialty groups with imprecise specialty designations generate these denials repeatedly.
Level not supported for a first visit
A lengthy intake does not by itself establish complexity. Either the MDM or the documented total time has to carry the level.
How it pairs with other codes
- Modifier 25 with a same-day procedure, where separately identifiable
Questions we get asked
- How is a new patient defined?
- No face-to-face service from the billing provider, or from another provider of the same specialty and subspecialty in the same group, in the previous three years.
Reference only, and typical rather than universal: coverage, modifier requirements, and payment vary by payer, plan, state, and provider type. Confirm current payer policy before billing. CPT is a registered trademark of the American Medical Association; official descriptors are not reproduced here.
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