Non-Billable / Non-Specific Code
ICD-10-CM O10 is the diagnosis code for Pre-existing hypertension complicating pregnancy, childbirth and the puerperium. This code falls under the section "Edema, proteinuria and hypertensive disorders in pregnancy, childbirth and the puerperium" within Chapter 15 â Pregnancy, childbirth and the puerperium (O00-O9A). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
The following conditions are not included in O10. If the patient has both, code each condition separately:
Understanding where O10 sits in the ICD-10-CM classification helps ensure proper coding:
No, O10 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
O10 is the ICD-10-CM diagnosis code for "Pre-existing hypertension complicating pregnancy, childbirth and the puerperium". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
O10 is located in Section O10-O16 â "Edema, proteinuria and hypertensive disorders in pregnancy, childbirth and the puerperium" within Chapter 15 of the ICD-10-CM Tabular List.
O10 has 6 sub-code(s) that provide more specific detail: O10.0, O10.1, O10.2, O10.3, O10.4 and more.
Use O10 when the patients documented diagnosis matches "Pre-existing hypertension complicating pregnancy, childbirth and the puerperium" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Pre-existing hypertension complicating pregnancy, childbirth and the puerperium is O10.
No, O10 is non-billable. Use a more specific sub-code for primary diagnosis billing.
O10 is in Chapter 15 of the ICD-10-CM Tabular List.
Yes, O10 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.