UB04 Admission Hour Code 01: 01:00 AM - 01:59 AM

Introduction

Admission Hour Code 01 indicates that a patient was formally admitted to the facility between the hours of 01:00 AM and 01:59 AM. This code is reported in Field 13: Admission Hour.

Usage

This code is utilized by institutional providers, such as acute care hospitals and skilled nursing facilities, to document the specific hour of a patient's admission. It is particularly common in emergency department scenarios where a patient's condition stabilizes or requires inpatient status during the early morning hours.

Billing Impact

Accurate reporting of the admission hour is essential for calculating the initial length of stay and ensuring the claim aligns with medical necessity documentation for the date of service.