O91.11
Non-Billable

Abscess of breast associated with pregnancy

Non-Billable / Non-Specific Code

What is Abscess of breast associated with pregnancy?

ICD-10-CM O91.11 is the diagnosis code for Abscess of breast associated with pregnancy. This code falls under the section "Complications predominantly related to the puerperium" 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.

💡 Inclusions

Coding Guidelines for O91.11

✅ This Code Includes

  • Gestational mammary abscess
  • Gestational purulent mastitis
  • Gestational subareolar abscess

ICD-10-CM Code Hierarchy

Understanding where O91.11 sits in the ICD-10-CM classification helps ensure proper coding:

Sub-Codes 4 entries
O91.111Abscess of breast associated with pregnancy, first trimesterBillableO91.112Abscess of breast associated with pregnancy, second trimesterBillableO91.113Abscess of breast associated with pregnancy, third trimesterBillableO91.119Abscess of breast associated with pregnancy, unspecified trimesterBillable
Related Codes

Frequently Asked Questions

Is O91.11 a billable ICD-10-CM code?

No, O91.11 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does O91.11 mean?

O91.11 is the ICD-10-CM diagnosis code for "Abscess of breast associated with pregnancy". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of O91.11?

The parent code of O91.11 is O91.1 ("Abscess of breast associated with pregnancy, the puerperium and lactation"). O91.11 provides a more specific classification within this category.

What section is O91.11 in?

O91.11 is located in Section O85-O92 — "Complications predominantly related to the puerperium" within Chapter 15 of the ICD-10-CM Tabular List.

What are the sub-codes of O91.11?

O91.11 has 4 sub-code(s) that provide more specific detail: O91.111, O91.112, O91.113, O91.119.

When should I use O91.11?

Use O91.11 when the patients documented diagnosis matches "Abscess of breast associated with pregnancy" 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 Abscess of breast associated with pregnancy?

The ICD-10-CM code for Abscess of breast associated with pregnancy is O91.11.

Can O91.11 be used for primary diagnosis?

No, O91.11 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is O91.11 in?

O91.11 is in Chapter 15 of the ICD-10-CM Tabular List.

Is O91.11 valid for 2026?

Yes, O91.11 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousO91.1Abscess of breast associated with pregnancy, the puerperium and lactationNext →O91.111Abscess of breast associated with pregnancy, first trimester
Code Details
O91.11
Abscess of breast associated with pregnancy
Non-Billable / Non-Specific Code
15 — Pregnancy, childbirth and the puerperium (O00-O9A)
O85-O92 — Complications predominantly related to the puerperium
2026 ICD-10-CM