ICD-10-CM Codes (2025)

• O10.013	Pre-existing essential hypertension complicating pregnancy, third trimester

• O10.011	Pre-existing essential hypertension complicating pregnancy, first trimester
  O10.012	Pre-existing essential hypertension complicating pregnancy, second trimester
  O10.013	Pre-existing essential hypertension complicating pregnancy, third trimester
  O10.019	Pre-existing essential hypertension complicating pregnancy, unspecified trimester
  O10.02	Pre-existing essential hypertension complicating childbirth
  O10.03	Pre-existing essential hypertension complicating the puerperium
  O10.111	Pre-existing hypertensive heart disease complicating pregnancy, first trimester
  O10.112	Pre-existing hypertensive heart disease complicating pregnancy, second trimester
  O10.113	Pre-existing hypertensive heart disease complicating pregnancy, third trimester
  O10.119	Pre-existing hypertensive heart disease complicating pregnancy, unspecified trimester
  O10.12	Pre-existing hypertensive heart disease complicating childbirth
  O10.13	Pre-existing hypertensive heart disease complicating the puerperium
  O10.211	Pre-existing hypertensive chronic kidney disease complicating pregnancy, first trimester
  O10.212	Pre-existing hypertensive chronic kidney disease complicating pregnancy, second trimester
  O10.213	Pre-existing hypertensive chronic kidney disease complicating pregnancy, third trimester
  O10.219	Pre-existing hypertensive chronic kidney disease complicating pregnancy, unspecified trimester
  O10.22	Pre-existing hypertensive chronic kidney disease complicating childbirth
  O10.23	Pre-existing hypertensive chronic kidney disease complicating the puerperium
  O10.311	Pre-existing hypertensive heart and chronic kidney disease complicating pregnancy, first trimester
  O10.312	Pre-existing hypertensive heart and chronic kidney disease complicating pregnancy, second trimester

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