O46
Non-Billable

Antepartum hemorrhage, not elsewhere classified

Non-Billable / Non-Specific Code

What is Antepartum hemorrhage, not elsewhere classified?

ICD-10-CM O46 is the diagnosis code for Antepartum hemorrhage, not elsewhere classified. This code falls under the section "Maternal care related to the fetus and amniotic cavity and possible delivery problems" within Chapter 15 — Pregnancy, childbirth and the puerperium (O00-O9A). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

⛔ Excludes1

Coding Guidelines for O46

⛔ Type 1 Excludes (Never code together)

The following conditions should never be coded at the same time as O46. They are mutually exclusive:

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

ICD-10-CM Code Hierarchy

Understanding where O46 sits in the ICD-10-CM classification helps ensure proper coding:

Sub-Codes 3 entries
O46.0Antepartum hemorrhage with coagulation defectNon-BillableO46.00Antepartum hemorrhage with coagulation defect, unspecifiedNon-BillableO46.001Antepartum hemorrhage with coagulation defect, unspecified, first trimesterBillableO46.002Antepartum hemorrhage with coagulation defect, unspecified, second trimesterBillableO46.003Antepartum hemorrhage with coagulation defect, unspecified, third trimesterBillableO46.009Antepartum hemorrhage with coagulation defect, unspecified, unspecified trimesterBillableO46.01Antepartum hemorrhage with afibrinogenemiaNon-BillableO46.011Antepartum hemorrhage with afibrinogenemia, first trimesterBillableO46.012Antepartum hemorrhage with afibrinogenemia, second trimesterBillableO46.013Antepartum hemorrhage with afibrinogenemia, third trimesterBillableO46.019Antepartum hemorrhage with afibrinogenemia, unspecified trimesterBillableO46.02Antepartum hemorrhage with disseminated intravascular coagulationNon-BillableO46.021Antepartum hemorrhage with disseminated intravascular coagulation, first trimesterBillableO46.022Antepartum hemorrhage with disseminated intravascular coagulation, second trimesterBillableO46.023Antepartum hemorrhage with disseminated intravascular coagulation, third trimesterBillableO46.029Antepartum hemorrhage with disseminated intravascular coagulation, unspecified trimesterBillableO46.09Antepartum hemorrhage with other coagulation defectNon-BillableO46.091Antepartum hemorrhage with other coagulation defect, first trimesterBillableO46.092Antepartum hemorrhage with other coagulation defect, second trimesterBillableO46.093Antepartum hemorrhage with other coagulation defect, third trimesterBillableO46.099Antepartum hemorrhage with other coagulation defect, unspecified trimesterBillableO46.8Other antepartum hemorrhageNon-BillableO46.8XOther antepartum hemorrhageNon-BillableO46.8X1Other antepartum hemorrhage, first trimesterBillableO46.8X2Other antepartum hemorrhage, second trimesterBillableO46.8X3Other antepartum hemorrhage, third trimesterBillableO46.8X9Other antepartum hemorrhage, unspecified trimesterBillableO46.9Antepartum hemorrhage, unspecifiedNon-BillableO46.90Antepartum hemorrhage, unspecified, unspecified trimesterBillableO46.91Antepartum hemorrhage, unspecified, first trimesterBillableO46.92Antepartum hemorrhage, unspecified, second trimesterBillableO46.93Antepartum hemorrhage, unspecified, third trimesterBillable
Related Codes

Frequently Asked Questions

Is O46 a billable ICD-10-CM code?

No, O46 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does O46 mean?

O46 is the ICD-10-CM diagnosis code for "Antepartum hemorrhage, not elsewhere classified". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What section is O46 in?

O46 is located in Section O30-O48 — "Maternal care related to the fetus and amniotic cavity and possible delivery problems" within Chapter 15 of the ICD-10-CM Tabular List.

What are the sub-codes of O46?

O46 has 3 sub-code(s) that provide more specific detail: O46.0, O46.8, O46.9.

When should I use O46?

Use O46 when the patients documented diagnosis matches "Antepartum hemorrhage, not elsewhere classified" 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 Antepartum hemorrhage, not elsewhere classified?

The ICD-10-CM code for Antepartum hemorrhage, not elsewhere classified is O46.

Can O46 be used for primary diagnosis?

No, O46 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is O46 in?

O46 is in Chapter 15 of the ICD-10-CM Tabular List.

What conditions are excluded from O46?

Type 1 Excludes for O46 include: hemorrhage in early pregnancy (O20.-); intrapartum hemorrhage NEC (O67.-); placenta previa (O44.-) and more.

Is O46 valid for 2026?

Yes, O46 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousO45.93Premature separation of placenta, unspecified, third trimesterNext →O46.0Antepartum hemorrhage with coagulation defect
Code Details
O46
Antepartum hemorrhage, not elsewhere classified
Non-Billable / Non-Specific Code
15 — Pregnancy, childbirth and the puerperium (O00-O9A)
O30-O48 — Maternal care related to the fetus and amniotic cavity and possible delivery problems
2026 ICD-10-CM