ICD-10-CMICD-10-CMO10.0 — Pre-existing essential hypertension complicating pregnancy, childbirth and the puerperium
ICD-10-CMICD-10-CMO10.011 — Pre-existing essential hypertension complicating pregnancy, first trimester
ICD-10-CMICD-10-CMO10.012 — Pre-existing essential hypertension complicating pregnancy, second trimester
ICD-10-CMICD-10-CMO10.013 — Pre-existing essential hypertension complicating pregnancy, third trimester
ICD-10-CMICD-10-CMO10.019 — Pre-existing essential hypertension complicating pregnancy, unspecified trimester