Which of the following individuals first described the ABO blood group system?

A coder's first step in the reimbursement process is:

A) registering the patient. B) reading and understanding the physician's documentation. C) filling out a claim form. D) calling the insurance carrier.

For which disorder are Pap smears often effective in early detection?

A. Dysmenorrhea B. Ovarian cancer C. Endometrial cancer D. Cervicitis E. Cervical cancer