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UB-82 forms offer wealth of information, misinformation.

UB-82s, those ubiquitous green forms hospitals rely on for proper reimbursement, also are being used as a research tool, a purpose for which they weren't designed. While the data have some valid applications, flaws such as inconsistent coding, distorted data and omitted information make their use unreliable for broad studies in such critical areas as quality of care and utilization.