Comorbidities in comp claims vastly underreported, report indicates
"That was our first clue that these were underreported," said Greg Mast, Coventry's director of decision support. "Especially given that this small subset of claims represented 25 percent of the medical expenditures."
Among the comorbidities they examined was obesity. The researchers say there's a strong disconnect between government statistics for obesity and what appeared in the medical billing data.
"If you look at some figures from the CDC, you'd expect obesity to run between 25 and 30 percent of the population. In our study, we saw see half of 1 percent," Mast said. "That's probably telling us something. Probably the doctor is only going to code for the particular issues he's treating."
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January 13, 2011
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