Non-Billable / Non-Specific Code
ICD-10-CM O99 is the diagnosis code for Other maternal diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium. This code falls under the section "Other obstetric conditions, not elsewhere classified" 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 O99. If the patient has both, code each condition separately:
Understanding where O99 sits in the ICD-10-CM classification helps ensure proper coding:
No, O99 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
O99 is the ICD-10-CM diagnosis code for "Other maternal diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
O99 is located in Section O94-O9A â "Other obstetric conditions, not elsewhere classified" within Chapter 15 of the ICD-10-CM Tabular List.
O99 has 9 sub-code(s) that provide more specific detail: O99.0, O99.1, O99.2, O99.3, O99.4 and more.
Use O99 when the patients documented diagnosis matches "Other maternal diseases classifiable elsewhere but 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 Other maternal diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium is O99.
No, O99 is non-billable. Use a more specific sub-code for primary diagnosis billing.
O99 is in Chapter 15 of the ICD-10-CM Tabular List.
Yes, O99 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.