How are hospital outpatient services billed on UB-04?

• A. With revenue codes, dates of service, and CPT/HCPCS (or ICD-10-PCS) procedure codes
• B. With patient name only
• C. With only the date of visit
• D. With room type and bed number

Answer: (A)

Outpatient billing on the UB-04 hinges on three pieces that together describe each service line: revenue codes identify the department or type of service provided, dates of service show when that service occurred, and the procedure codes (CPT/HCPCS for most outpatient procedures, with ICD-10-PCS used for applicable inpatient procedures) describe exactly what was performed. This combination lets the payer understand what was charged, when it happened, and precisely which procedures or services were delivered, which drives proper pricing and reimbursement. Using only a patient name, or only the date, or room type and bed number, does not convey the specific service lines or the procedures performed, so those options cannot properly bill UB-04 outpatient encounters.