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O11 - Pre-existing hypertension with pre-eclampsia


The ICD 10 Code for Pre-existing hypertension with pre-eclampsia is listed as O11.
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: O11
Description: Pre-existing hypertension with pre-eclampsia
  • Includes: conditions in Ol0 complicated by pre-eclampsia
  • pre-eclampsia superimposed pre-existing hypertension
  • Use additional code from O10 to identify the type of hypertension
Chapter Pregnancy, childbirth and the puerperium (O00-O9A)
ICD-10-CM Children (deeper level / typically more specific) of O11:
O11.1 - Pre-existing hypertension with pre-eclampsia, first trimester
O11.2 - Pre-existing hypertension with pre-eclampsia, second trimester
O11.3 - Pre-existing hypertension with pre-eclampsia, third trimester
O11.9 - Pre-existing hypertension with pre-eclampsia, unspecified trimester