Is ICD-10-CM code O46 billable?

No, O46 (Antepartum hemorrhage, not elsewhere classified) 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 O46 belong to?

O46 belongs to Chapter 15 of the ICD-10-CM tabular list: O00–O9A (Pregnancy, Childbirth and the Puerperium).

O46Non-billable

Antepartum hemorrhage, not elsewhere classified

Pregnancy, Childbirth and the Puerperium·Maternal care related to the fetus and amniotic cavity and possible delivery problems (O30-O48)·category·FY 2026

Use a more specific code (0 billable, 3 non-billable)

O46.0Antepartum hemorrhage with coagulation defecthas subcodes O46.8Other antepartum hemorrhagehas subcodes O46.9Antepartum hemorrhage, unspecifiedhas subcodes

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.

Instructional Notes

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

hemorrhage in early pregnancy (O20.-)
intrapartum hemorrhage NEC (O67.-)
placenta previa (O44.-)
premature separation of placenta [abruptio placentae] (O45.-)

Clinical Hierarchy

BillableHas subcodes

CH15Pregnancy, childbirth and the puerperium (O00-O9A)

O30-O48Maternal care related to the fetus and amniotic cavity and possible delivery problems (O30-O48)

O46Antepartum hemorrhage, not elsewhere classifiedNot billable

O46.0Antepartum hemorrhage with coagulation defectSubcodes

O46.8Other antepartum hemorrhageSubcodes

O46.9Antepartum hemorrhage, unspecifiedSubcodes

MS-DRG Classification

2026

No direct MS-DRG triggers identified.