For an inpatient case, when a symptom is followed by contrasting/comparative diagnoses, the symptom code is sequenced first, and __________

a. all of the contrasting/comparative diagnoses are coded as additional diagnoses
b. claims denials are appealed to obtain reimbursement for diagnoses not documented
c. no other diagnosis codes are assigned or reported for the inpatient case
d. the physician is queried to determine which diagnosis is considered principal

a