Pregnancy state affects CMV test code

Q What diagnosis code should be used for cytomegalovirus testing in a patient with fetal demise?

A The answer depends on whether the patient was pregnant at the time of the testing. If the patient was pregnant, use code V28.8, other specified antenatal screening; if she was not pregnant, use code V73.89, special screening examination for other specified viral diseases.

Ms. Witt, former program manager in the Department of Coding and Nomenclature at the American College of Obstetricians and Gynecologists, is an independent coding and documentation consultant. Reimbursement Adviser reflects the most commonly accepted interpretations of CPT-4 and ICD-9-CM coding. When in doubt on a coding or billing matter, check with your individual payer.