O10.1
ICD-10Non-billable categoryPre-existing hypertensive heart disease compl preg/chldbrth
Official ICD-10-CM descriptor (FY2026)
Pre-existing hypertensive heart disease complicating pregnancy, childbirth and the puerperium
O10.1 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.
Inclusion terms
- Any condition in I11 specified as a reason for obstetric care during pregnancy, childbirth or the puerperium
Use additional code
Report an additional code to identify the associated condition.
- code from I11 to identify the type of hypertensive heart disease
ICD-10-CM FY2026 defines 3 codes beneath O10.1. See the ICD-10-CM index for what this site publishes.
Related codes in O10
- O10.0Pre-existing essential hypertension compl preg/chldbrthcategory
- O10.2Pre-existing hyp chronic kidney disease compl preg/chldbrthcategory
- O10.3Pre-exist hyp heart and chr kidney dis compl preg/chldbrthcategory
- O10.4Pre-existing secondary hypertension compl preg/chldbrthcategory
- O10.9Unsp pre-existing hypertension compl preg/chldbrthcategory
Where this code sits
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.