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Description
Heres a quick rundown of some notable findings

FEV1/FVC (or FEV1%): in healthy adults FEV1/FVC should be 70-85% (declining with age)

CPT code 96372 does not always require a modifier, but several common billing scenarios make a modifier necessary

J Cardiovasc Med (Hagerstown)

doi: 10.1158/1078-0432.CCR-11-0488
