O10.91Non-billable (header)
Unspecified pre-existing hypertension complicating pregnancy
Code Hierarchy
┌15Pregnancy, childbirth and the puerperium (O00-O9A)├O10-O16Edema, proteinuria and hypertensive disorders in pregnancy, childbirth and the puerperium (O10-O16)├O10Pre-existing hypertension complicating pregnancy, childbirth and the puerperium
└O10.91Unspecified pre-existing hypertension complicating pregnancy
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