Question: what is the difference between type a and type b emergency departments?
Answer: A1: Under the OPPS, hospitals report Type A emergency department visits using HCPCS codes 99281-99285. Hospitals report Type B emergency department visits using HCPCS codes G0380-G0384. ... Q3: Under the OPPS, an area of a provider-based hospital provides emergency outpatient visits and closes at 10 P.M.