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ICD-10 CM Code O10.412

O10.412 Pre-existing secondary hypertension complicating pregnancy, second trimester

Includes

pre-existing hypertension with pre-existing proteinuria complicating pregnancy, childbirth and the puerperium

Inclusion Term

Any condition in I15 specified as a reason for obstetric care during pregnancy, childbirth or the puerperium

Excludes Type 2

pre-existing hypertension with superimposed pre-eclampsia complicating pregnancy, childbirth and the puerperium (O11.-)