Blue Cross Blue Shield of Illinois sent two checks totaling $6,495 to Orthopedic & Shoulder Center S.C. in downstate Normal on a bill for $29,008 in medical services provided to Cassandra Turner after an auto accident. Unhappy with what Blue Cross considered the “usual and customary fee” for Turner’s treatment, the orthopedic center returned the checks and claimed a $34,027 lien on the proceeds of her claim against the allegedly negligent driver.Turner asked the trial judge to reduce the lien to zero …