What does "FL" represent in reference to the UB-04 claim form?

Guinea pigs on antibiotic therapy should have pre, during, and post blood chemistries to monitor for __________ changes

Fill in the blank(s) with correct word

When coding the phrase "acquired stenosis of right external ear canal secondary to trauma," the main term to reference in the index is _____.

A. acquired B. stenosis C. canal D. trauma