You would expect to code a service for an amniocentesis using a code from the female genital system subsection and a code from the section

From the Radiology section

in order to do Amniocentesis procedure, the doctors need some imaging technique to monitor whether there is any abnormality or Fetal Infections

And in order to do that, they need some equipments that usually stored in Radiology Section

That is

It would be answer choice b (1975)