ICD-10-CM O01 is the diagnosis code for Hydatidiform mole. This code falls under the section "Pregnancy with abortive outcome" within Chapter 15 — 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 should never be coded at the same time as O01. They are mutually exclusive:
Understanding where O01 sits in the ICD-10-CM classification helps ensure proper coding:
No, O01 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
O01 is the ICD-10-CM diagnosis code for "Hydatidiform mole". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
O01 is located in Section O00-O08 — "Pregnancy with abortive outcome" within Chapter 15 of the ICD-10-CM Tabular List.
O01 has 3 sub-code(s) that provide more specific detail: O01.0, O01.1, O01.9.
Use O01 when the patients documented diagnosis matches "Hydatidiform mole" 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 Hydatidiform mole is O01.
No, O01 is non-billable. Use a more specific sub-code for primary diagnosis billing.
O01 is in Chapter 15 of the ICD-10-CM Tabular List.
Type 1 Excludes for O01 include: chorioadenoma (destruens) (D39.2); malignant hydatidiform mole (D39.2).
Yes, O01 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.