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ICD-10-CM Code O01.9
Hydatidiform mole, unspecified

Billable Code
Billable codes are sufficient justification for admission to an acute care hospital when used a principal diagnosis.
Female Only
Female Only
Code is only used for female patients.
Maternity Only
Maternity Only
Code is only used for diagnoses related to pregnancy.
| ICD-10 from 2011 - 2016

O01.9 is a billable ICD code used to specify a diagnosis of hydatidiform mole, unspecified. A 'billable code' is detailed enough to be used to specify a medical diagnosis.

The ICD code O01 is used to code Molar pregnancy

Molar pregnancy is an abnormal form of pregnancy in which a non-viable fertilized egg implants in the uterus and will fail to come to term. A molar pregnancy is a gestational trophoblastic disease which grows into a mass in the uterus that has swollen chorionic villi. These villi grow in clusters that resemble grapes. A molar pregnancy can develop when fertilized egg had not contained an original maternal nucleus. The products of conception may or may not contain fetal tissue. It is characterized by the presence of a hydatidiform mole (or hydatid mole, mola hydatidosa). Molar pregnancies are categorized as partial moles or complete moles, with the word mole, being used to denote simply a clump of growing tissue, or a growth.

Specialty: Oncology
MeSH Code: D006828
ICD 9 Code: 630

Histopathogic image of hydatidiform mole (complete type). H & E stain.

Source: Wikipedia

Coding Notes for O01.9 Info for medical coders on how to properly use this ICD-10 code

Inclusion Terms:
Inclusion Terms
Inclusion Terms are a list of concepts for which a specific code is used. The list of Inclusion Terms is useful for determining the correct code in some cases, but the list is not necessarily exhaustive.
Trophoblastic disease NOS
Vesicular mole NOS

MS-DRG Mapping

  • DRG Group #781 - Other antepartum diagnoses with medical complications.
  • DRG Group #782 - Other antepartum diagnoses without medical complications.

Related Concepts SNOMET-CT

  • Hyperthyroidism due to hydatidiform mole with thyrotoxic crisis (disorder)

Coding Advice SNOMET-CT

  • Consider additional code to identify specific condition or disease

ICD-10-CM Alphabetical Index References for 'O01.9 - Hydatidiform mole, unspecified'

The ICD-10-CM Alphabetical Index links the below-listed medical terms to the ICD code O01.9. Click on any term below to browse the alphabetical index.

Trophoblastic disease (O01.9) (see: Mole, hydatidiform)
Hydatidiform mole(benign) (complicating pregnancy) (delivered) (undelivered) (O01.9)


Hydatidiform mole (approximate match)

This is the official approximate match mapping between ICD9 and ICD10, as provided by the General Equivalency mapping crosswalk. This means that while there is no exact mapping between this ICD10 code O01.9 and a single ICD9 code, 630 is an approximate match for comparison and conversion purposes.

Parent Code: O01 - Hydatidiform mole

** This Document Provided By ICD.Codes **
Source: http://icd.codes/icd10cm/O019