ICD-10 Diagnosis Code O01.9

Hydatidiform mole, unspecified

Diagnosis Code O01.9

ICD-10: O01.9
Short Description: Hydatidiform mole, unspecified
Long Description: Hydatidiform mole, unspecified
This is the 2017 version of the ICD-10-CM diagnosis code O01.9

Code Classification
  • Pregnancy, childbirth and the puerperium
    • Pregnancy with abortive outcome (O00-O08)
      • Hydatidiform mole (O01)

Information for Medical Professionals

Code Edits
The following edits are applicable to this code:
Maternity diagnoses Additional informationCallout TooltipMaternity diagnoses
Maternity. Age range is 12–55 years inclusive (e.g., diabetes in pregnancy, antepartum pulmonary complication).

Diagnoses for females only Additional informationCallout TooltipDiagnoses for females only
Diagnoses for females only.

Convert to ICD-9 Additional informationCallout TooltipGeneral Equivalence Map
The ICD-10 and ICD-9 GEMs are used to facilitate linking between the diagnosis codes in ICD-9-CM and the new ICD-10-CM code set. The GEMs are the raw material from which providers, health information vendors and payers can derive specific applied mappings to meet their needs.

  • Gestational trophoblastic disease
  • Hydatidiform mole, benign
  • Hyperthyroidism due to hydatidiform mole with thyrotoxic crisis
  • Hyperthyroidism due to molar thyrotropin
  • Hyperthyroidism due to molar thyrotropin
  • Placental site nodule
  • Residual trophoblastic disease
  • Thyrotoxic crisis

Index of Diseases and Injuries
References found for the code O01.9 in the Index of Diseases and Injuries:

Information for Patients

Tumors and Pregnancy

Tumors during pregnancy are rare, but they can happen. Tumors can be either benign or malignant. Benign tumors aren't cancer. Malignant ones are. The most common cancers in pregnancy are breast cancer, cervical cancer, lymphoma, and melanoma. Cancer itself rarely harms the baby, and some cancer treatments are safe during pregnancy. You and your health care provider will work together to find the best treatment. Your options will depend on how far along the pregnancy is, as well as the type, size, and stage of your cancer.

Another type of tumor that women can get is called a gestational trophoblastic disease (GTD). It happens when a fertilized egg doesn't become a fetus. GTD is not always easy to find. It is usually benign, but some types can be malignant. The most common type of GTD is a molar pregnancy. In its early stages, it may look like a normal pregnancy. You should see your health care provider if you have vaginal bleeding (not menstrual bleeding).

Treatment depends on the type of tumor, whether it has spread to other places, and your overall health.

  • Choriocarcinoma
  • Gestational trophoblastic disease
  • Hydatidiform mole

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