Introduction
The UB04 Code code is a specific indicator used to identify the origin of a patient's admission. This code is used in Field 15: Admission Source. It provides essential data for hospital billing departments to ensure accurate reimbursement and compliance with CMS reporting standards.
Usage
When billing for services, code code must be entered into FL 15 of the UB-04 claim form. This code specifically signifies meaning. Billing specialists should ensure that the medical documentation supports this admission source to avoid claim denials or audits. For example, if the patient was admitted under these specific circumstances, the code must match the corresponding admission type in Field 14 to maintain logical consistency across the claim form.
Related Codes
While code code represents meaning, there are several other codes available within the parent field to describe different points of origin. It is critical to review the full list of Field 15 codes to select the one that most accurately reflects the patient's status at the time of admission.
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Last Updated: 2026-09-19
Sources: CMS Pub. 100-04 Chapter 25, NUBC Official UB-04 Manual, Medicare Contractor Bulletins (Noridian, Palmetto, CGS)