What are the inpatient bill types used on the UB04?

The inpatient bill types used on the UB-04 form include several specific codes that indicate the nature of the care provided. Commonly used bill types for inpatient services are 11X for general hospital inpatient services, 12X for inpatient psychiatric services, and 13X for inpatient rehabilitation services. Each bill type helps to classify the type of care and the reimbursement process for healthcare providers. These codes are essential for accurately processing claims and ensuring appropriate payment from insurers.