O10 Pre-existing hypertension compl preg/chldbrth
ICD-10-CM category O10 sits in Chapter 15 (Pregnancy, childbirth and the puerperium, O00-O9A). It contains 36 billable codes for FY2027, effective October 1, 2026 to September 30, 2027. Always code to the most specific code available: a code with more characters that describes the diagnosis more precisely takes priority over a shorter one.
Subcategories
O10.0 Pre-existing essential hypertension compl preg/chldbrthO10.01 Pre-existing essential hypertension complicating pregnancyO10.1 Pre-existing hypertensive heart disease compl preg/chldbrthO10.11 Pre-existing hypertensive heart disease comp pregnancyO10.2 Pre-existing hyp chronic kidney disease compl preg/chldbrthO10.21 Pre-existing hyp chronic kidney disease comp pregnancyO10.3 Pre-exist hyp heart and chr kidney dis compl preg/chldbrthO10.31 Pre-exist hyp heart and chronic kidney disease comp pregO10.4 Pre-existing secondary hypertension compl preg/chldbrthO10.41 Pre-existing secondary hypertension complicating pregnancyO10.9 Unsp pre-existing hypertension compl preg/chldbrthO10.91 Unspecified pre-existing hypertension complicating pregnancy
Billable codes in O10
| Code | Description |
|---|---|
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 |
O10.313 | Pre-existing hypertensive heart and chronic kidney disease complicating pregnancy, third trimester |
O10.319 | Pre-existing hypertensive heart and chronic kidney disease complicating pregnancy, unspecified trimester |
O10.32 | Pre-existing hypertensive heart and chronic kidney disease complicating childbirth |
O10.33 | Pre-existing hypertensive heart and chronic kidney disease complicating the puerperium |
O10.411 | Pre-existing secondary hypertension complicating pregnancy, first trimester |
O10.412 | Pre-existing secondary hypertension complicating pregnancy, second trimester |
O10.413 | Pre-existing secondary hypertension complicating pregnancy, third trimester |
O10.419 | Pre-existing secondary hypertension complicating pregnancy, unspecified trimester |
O10.42 | Pre-existing secondary hypertension complicating childbirth |
O10.43 | Pre-existing secondary hypertension complicating the puerperium |
O10.911 | Unspecified pre-existing hypertension complicating pregnancy, first trimester |
O10.912 | Unspecified pre-existing hypertension complicating pregnancy, second trimester |
O10.913 | Unspecified pre-existing hypertension complicating pregnancy, third trimester |
O10.919 | Unspecified pre-existing hypertension complicating pregnancy, unspecified trimester |
O10.92 | Unspecified pre-existing hypertension complicating childbirth |
O10.93 | Unspecified pre-existing hypertension complicating the puerperium |
Search within ICD-10-CM for O10 and related codes