---
title: "CPT 99381: New patient preventive visit, under 1 year | BillingBrief"
description: "An initial comprehensive preventive medicine visit (well-baby checkup) for a new patient under 1 year old."
canonical: "https://billingbrief.com/cpt/99381/"
language: "en"
---

# 99381 New patient preventive visit, under 1 year

CPT · [BillingBrief summary](#source)

An initial comprehensive preventive medicine visit (well-baby checkup) for a new patient under 1 year old.

## What to know

-   Preventive codes are chosen by patient age, not by complexity or time.
-   If a significant separate problem is addressed, a problem-oriented E/M code may be added with modifier 25.

## Related codes

-   [`99382` New patient preventive visit, ages 1 to 4 CPT](https://billingbrief.com/cpt/99382/)
-   [`99391` Established patient preventive visit, under 1 year CPT](https://billingbrief.com/cpt/99391/)

## From the source

This is BillingBrief’s own explanation, not the official CPT descriptor. For the official code set, see the [American Medical Association](https://www.ama-assn.org/practice-management/cpt).

Code set

CPT

Category

Preventive medicine

Educational reference only. Not medical, legal, or billing advice. Always check the current official code set and payer policy before you bill. [About BillingBrief and our sources](https://billingbrief.com/about/).