Assign ICD-10-CM code Z01.89 (Encounter for other specified special examinations) and the reason for the nonroutine test when __________

a. operative procedures have been performed by a physician and the final report is not available at the time of code assignment
b. routine testing is performed during the same outpatient encounter as a test to evaluate a sign, symptom, or diagnosis
c. therapeutic services only is chiefly responsible for the outpatient services provided during the encounter
d. unconfirmed or non-definitive diagnoses are documented in the patient record as qualified conditions

b