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O10.4 - Pre-existing secondary hypertension complicating pregnancy, childbirth and the puerperium


The ICD 10 Code for Pre-existing secondary hypertension complicating pregnancy, childbirth and the puerperium is listed as O10.4.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: O10.4
Description: Pre-existing secondary hypertension complicating pregnancy, childbirth and the puerperium
  • Any condition in I15 specified as a reason for obstetric care during pregnancy, childbirth or the puerperium
  • Use additional code from I15 to identify the type of secondary hypertension
Chapter Pregnancy, childbirth and the puerperium (O00-O9A)
Block Edema, proteinuria and hypertensive disorders in pregnancy, childbirth and the puerperium (O10-O16)
Parent O10 - Pre-existing hypertension complicating pregnancy, childbirth and the puerperium
ICD-10-CM Children (deeper level / typically more specific) of O10.4:
O10.41 - Pre-existing secondary hypertension complicating pregnancy
O10.42 - Pre-existing secondary hypertension complicating childbirth
O10.43 - Pre-existing secondary hypertension complicating the puerperium
ICD-10-CM Siblings (same level / similar specificity) of O10.4:
O10.0 - Pre-existing essential hypertension complicating pregnancy, childbirth and the puerperium
O10.1 - Pre-existing hypertensive heart disease complicating pregnancy, childbirth and the puerperium
O10.2 - Pre-existing hypertensive chronic kidney disease complicating pregnancy, childbirth and the puerperium
O10.3 - Pre-existing hypertensive heart and chronic kidney disease complicating pregnancy, childbirth and the puerperium
O10.9 - Unspecified pre-existing hypertension complicating pregnancy, childbirth and the puerperium