O11Non-billable
Pre-existing hypertension with pre-eclampsia
Chapter 15: Pregnancy, childbirth and the puerperium
Includes
2 items
Includes
2 items- •conditions in O10 complicated by pre-eclampsia
- •pre-eclampsia superimposed pre-existing hypertension
Use Additional Code
1 item
Use Additional Code
- •code from O10 to identify the type of hypertension
Coding Guidance
O11 should not be used for reimbursement purposes as there are more specific codes below it that contain a greater level of detail. See Related Codes to drill down to more specific billable codes for appropriate reimbursement.
Referenced in Diagnoses
Conditions that use this ICD-10 code in their documentation
View documentation for chronic hypertension in pregnancy
chronic hypertension in pregnancy
View TemplatesPrimary
Chronic Hypertension Complicating Pregnancy
View documentation for hypertension in pregnancy
hypertension in pregnancy
View TemplatesHypertensive Disorders in Pregnancy
Additional Information from Parent Codes
The following information may apply to this code from its parent codes in the ICD-10 hierarchy. This information is important for proper coding and classification.
Parent Codes Referenced:
Excludes1
1 item
Excludes1
From O00-O9A:
- •supervision of normal pregnancy (Z34.-)
Excludes2
4 items
Excludes2
Use Additional Code
1 item
Use Additional Code
From O00-O9A:
- •code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.
Notes
6 items
Notes
From O00-O9A:
- •CODES FROM THIS CHAPTER ARE FOR USE ONLY ON MATERNAL RECORDS, NEVER ON NEWBORN RECORDS
- •Codes from this chapter are for use for conditions related to or aggravated by the pregnancy, childbirth, or by the puerperium (maternal causes or obstetric causes)
- •Trimesters are counted from the first day of the last menstrual period. They are defined as follows:
- •1st trimester- less than 14 weeks 0 days
- •2nd trimester- 14 weeks 0 days to less than 28 weeks 0 days
- •3rd trimester- 28 weeks 0 days until delivery