Maternal care for abnormalities of the fetal heart rate or rhythm, first trimester, not applicable or unspecified
maternal care for abnormalities of the fetal heart rate or rhythm, first trimester, not applicable or unspecified
Matern care for abnlt fetl hrt rate or rhym, 1st tri, unsp
matern care for abnlt fetl hrt rate or rhym, 1st tri, unsp