Reference Guide

UB04 Field Reference

Complete field-by-field guide for the UB-04 (CMS-1450) claim form. Requirements, billing tips, and code definitions for every field.

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UB04 Field 1: Rendering Provider Name and AddressUB04 Field 2: Pay-To Provider Name and AddressUB04 Field 3a: Patient Control NumberUB04 Field 3b: Medical Record Number
UB04 Field 4: Type of Bill 27 codes
UB04 Field 5: Federal Tax NumberUB04 Field 6: Statement Covers PeriodUB04 Field 7: Future UseUB04 Field 8b: Patient NameUB04 Field 8a: Patient NameUB04 Field 9: Patient AddressUB04 Field 10: Patient Birthdate
UB04 Field 11: Patient Sex 3 codes
UB04 Field 12: Admission Date
UB04 Field 13: Admission Hour 21 codes

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