Question:
How would you report the Z3A.- code in the setting of multiple gestations where different gestational ages are given to different fetuses? We had an OB ultrasound case today with twins and dates for fetus A being 8w3d (Z3A.08) and fetus B being 9w4d (Z3A.09). Would you code to the youngest date (Z3A.08), the oldest date (Z3A.09), or are we able to code both (Z3A.08, Z3A.09)?
Answer:
If you are billing 76801 and 76802, then each US code would get a separate Z3A code. If you are billing 76815, it is best to use both.