O10.03
✓ BillablePre-existing essential hypertension complicating the puerperium
Pregnancy, childbirth and the puerperium (O00-O9A)
⚠️ Excludes2
inheritedRules inherited from parent codes.
- • pre-existing hypertension with superimposed pre-eclampsia complicating pregnancy, childbirth and the puerperium (O11.-)
Clinical Description
ICD-10-CM code O10.03 represents pre-existing essential hypertension complicating the puerperium. This code falls under the Pregnancy, childbirth and the puerperium (O00-O9A) classification. It is a billable/specific code valid for HIPAA-covered transactions as of October 1, 2025 (FY2026). This code can be used to indicate a diagnosis for reimbursement purposes on insurance claims.
This is a 6-character code at the 5th level of specificity. This is the most specific code available in this subcategory.
Frequently Asked Questions
What is ICD-10 code O10.03?
ICD-10-CM code O10.03 is "Pre-existing essential hypertension complicating the puerperium". It belongs to the category: Pregnancy, childbirth and the puerperium (O00-O9A).
Is O10.03 a billable ICD-10 code?
Yes, O10.03 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
Can O10.03 be coded with other codes?
O10.03 has 1 Excludes2 note(s). These conditions can be coded together if both are documented in the patient record.
Related Codes in O10.0
Other codes in the same category that may be relevant for differential coding:
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Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)