O30.21Non-billable (header)
Quadruplet pregnancy with two or more monochorionic fetuses
Code Hierarchy
┌15Pregnancy, childbirth and the puerperium (O00-O9A)├O30-O48Maternal care related to the fetus and amniotic cavity and possible delivery problems (O30-O48)├O30Multiple gestation
└O30.21Quadruplet pregnancy with two or more monochorionic fetuses
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