Pre-existing hypertension with pre-eclampsia - O11
This notation helps users understand the scope of a code O11 category and provides additional information about the conditions or terms that fall under that category.
Category Includes:
- conditions in Ol0 complicated by pre-eclampsia
- pre-eclampsia superimposed pre-existing hypertension
Use Additional Code: This note indicates that an additional code should be used in conjunction with the primary code "O11" to provide a complete picture of the patient's condition or to capture associated factors.
Use Additional:
- code from O10 to identify the type of hypertension
These ranges represents subcategories of Pre-existing hypertension with pre-eclampsia. The "O11" signifies that these are the diseases within this broad category.
Codes:
- 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
- O11.4 - Pre-existing hypertension with pre-eclampsia, complicating childbirth
- O11.5 - Pre-existing hypertension with pre-eclampsia, complicating the puerperium
- O11.9 - Pre-existing hypertension with pre-eclampsia, unspecified trimester