Is ICD-10-CM code O01 billable?

No, O01 (Hydatidiform mole) is a non-billable ICD-10-CM code. It must be coded to a more specific subcategory before it can be used for reimbursement.

What chapter does ICD-10-CM code O01 belong to?

O01 belongs to Chapter 15 of the ICD-10-CM tabular list: O00–O9A (Pregnancy, Childbirth and the Puerperium).

O01Non-billable

Hydatidiform mole

Pregnancy, Childbirth and the Puerperium·Pregnancy with abortive outcome (O00-O08)·category·FY 2026

Use a more specific code (3 billable)

O01.0Classical hydatidiform mole O01.1Incomplete and partial hydatidiform mole O01.9Hydatidiform mole, unspecified

CH15 Parent Instructions

Excludes1(Not coded here. Use a different code.)

supervision of normal pregnancy (Z34.-)

Excludes2(Not included here. Code separately if applicable.)

mental and behavioral disorders associated with the puerperium (F53.-)
obstetrical tetanus (A34)
postpartum necrosis of pituitary gland (E23.0)
puerperal osteomalacia (M83.0)

Use Additional Code

code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.

O00-O08 Parent Instructions

Excludes1(Not coded here. Use a different code.)

continuing pregnancy in multiple gestation after abortion of one fetus or more (O31.1-, O31.3-)

Instructional Notes

Excludes1(Not coded here. Use a different code.)

chorioadenoma (destruens) (D39.2)
malignant hydatidiform mole (D39.2)

Use Additional Code

code from category O08 to identify any associated complication.

Clinical Hierarchy

BillableHas subcodes

CH15Pregnancy, childbirth and the puerperium (O00-O9A)

O00-O08Pregnancy with abortive outcome (O00-O08)

O01Hydatidiform moleNot billable

O01.0Classical hydatidiform moleBillable

O01.1Incomplete and partial hydatidiform moleBillable

O01.9Hydatidiform mole, unspecifiedBillable

MS-DRG Classification

2026

No direct MS-DRG triggers identified.