--- title: Box 2 – Patient's Name description: What CMS-1500 Box 2 holds, where the patient name comes from in Pabau, and how it prints and transmits on electronic claims. --- [Skip to content](https://support.pabau.com/en/pabau2/box-2-patients-name#main-content) [![pabau logo white](https://support.pabau.com/hubfs/pabau%20logo%20white.svg)](https://support.pabau.com/en/pabau2?hsLang=en) Open main navigation Close main navigation - [Get Support](https://pabau.com/support-center/) [Get Support](https://pabau.com/support-center/) Pabau Knowledge Base - There are no suggestions because the search field is empty. 1. [Pabau Knowledge Base](https://support.pabau.com/en/pabau2?hsLang=en) 2. [Insurance Billing](https://support.pabau.com/en/pabau2/insurance-billing?hsLang=en) 3. [US Insurance Billing Additional Resources](https://support.pabau.com/en/pabau2/insurance-billing?hsLang=en#us-insurance-billing-additional-resources) # Box 2 – Patient's Name On the CMS-1500 claim form, **Box 2** identifies the patient — the person who received the care the claim bills for. This guide explains what the box holds and where Pabau takes the value from. **NOTE:** This article is part of the *US Insurance Billing Additional Resources* series, which walks through every box of the CMS-1500. If you are new to claims in Pabau, start with [Creating a US Professional (CMS 1500) Claim](https://support.pabau.com/en/pabau2/creating-a-us-professional-cms-1500-claim?hsLang=en). ## Box 2 — Patient's name ![Box 2 of the CMS-1500 claim form showing the patient's name in Last Name, First Name format](https://support.pabau.com/hubfs/Pabau%202%20Knowledge%20Base/cms1500-box2-form.png) Box 2 holds the patient's full name, written in the order **Last Name, First Name, Middle Initial**. The last and first name are required on every claim, paper or electronic; the middle initial is optional. **How Pabau fills it** The name lives in the **Patient section** of the claim editor, which is labeled with the CMS-1500 boxes it covers (2–5). When an invoice issued to the insurer becomes a claim, **First name** and **Last name** prefill from the client record, and you can correct them on the claim before validating or sending. Any Patient field you leave blank falls back to the client record at validation. ![The Patient section of a Pabau claim with the First name, Last name, and Date of birth fields](https://support.pabau.com/hubfs/Pabau%202%20Knowledge%20Base/cms1500-box2-claim-patient-name.png) The claim editor collects the first and last name only — there is no middle-name field. On the printed form (Export \> Print), the name renders as **Last, First**, and a middle initial is never printed. A middle name, when present in the claim data, is included on the electronic claim. **On the electronic claim:** the patient's name travels in Loop 2010CA of the 837P file — or in Loop 2010BA when the patient is also the policy holder (the subscriber). **TIP:** Because the Patient section prefills from the client record, the cleanest place to fix a misspelled name is the client card itself — every claim you create afterwards starts out correct. A correction typed on the claim is the quick fix for the claim in front of you. 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