O01.9
Billable

Hydatidiform mole, unspecified

Billable / Specific Code

What is Hydatidiform mole, unspecified?

ICD-10-CM O01.9 is the diagnosis code for Hydatidiform mole, unspecified. This code falls under the section "Pregnancy with abortive outcome" within Chapter 15 — Pregnancy, childbirth and the puerperium (O00-O9A). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

💡 Inclusions

Coding Guidelines for O01.9

✅ This Code Includes

  • Trophoblastic disease NOS
  • Vesicular mole NOS

ICD-10-CM Code Hierarchy

Understanding where O01.9 sits in the ICD-10-CM classification helps ensure proper coding:

Related Codes

Frequently Asked Questions

Is O01.9 a billable ICD-10-CM code?

Yes, O01.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

What does O01.9 mean?

O01.9 is the ICD-10-CM diagnosis code for "Hydatidiform mole, unspecified". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of O01.9?

The parent code of O01.9 is O01 ("Hydatidiform mole"). O01.9 provides a more specific classification within this category.

What section is O01.9 in?

O01.9 is located in Section O00-O08 — "Pregnancy with abortive outcome" within Chapter 15 of the ICD-10-CM Tabular List.

When should I use O01.9?

Use O01.9 when the patients documented diagnosis matches "Hydatidiform mole, unspecified" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Hydatidiform mole, unspecified?

The ICD-10-CM code for Hydatidiform mole, unspecified is O01.9.

Can O01.9 be used for primary diagnosis?

Yes, O01.9 can be used as a primary diagnosis code since it is billable and specific.

What chapter is O01.9 in?

O01.9 is in Chapter 15 of the ICD-10-CM Tabular List.

Is O01.9 valid for 2026?

Yes, O01.9 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousO01.1Incomplete and partial hydatidiform moleNext →O02Other abnormal products of conception
Code Details
O01.9
Hydatidiform mole, unspecified
Billable / Specific Code
15 — Pregnancy, childbirth and the puerperium (O00-O9A)
O00-O08 — Pregnancy with abortive outcome
2026 ICD-10-CM