O10.01Non-billable
Pre-existing essential hypertension complicating pregnancy
Chapter 15: Pregnancy, childbirth and the puerperium
Coding Guidance
O10.01 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 hypertension complicating pregnancy
hypertension complicating pregnancy
View TemplatesHypertension Complicating Pregnancy, Childbirth and the Puerperium
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:
Inclusion Terms
1 item
Inclusion Terms
From O10.0:
- •Any condition in I10 specified as a reason for obstetric care during pregnancy, childbirth or the puerperium
Includes
1 item
Includes
From O10:
- •pre-existing hypertension with pre-existing proteinuria complicating pregnancy, childbirth and the puerperium
Excludes1
1 item
Excludes1
From O00-O9A:
- •supervision of normal pregnancy (Z34.-)
Excludes2
5 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