ICD-10-CM O91.1: Abscess of breast associated with pregnancy, the puerperium and lactation

ICD-10-CM Diagnosis Code (2025)

Official Description for O91.1

Abscess of breast associated with pregnancy, the puerperium and lactation

Coding Notes & Guidelines for O91.1

Inclusion Terms
  • Gestational mammary abscess
  • Gestational purulent mastitis
  • Gestational subareolar abscess
Inclusion Terms
  • Puerperal mammary abscess
  • Puerperal purulent mastitis
  • Puerperal subareolar abscess
Inclusion Terms
  • Mammary abscess associated with lactation
  • Purulent mastitis associated with lactation
  • Subareolar abscess associated with lactation

Parent Code (Less Specific):

About ICD-10-CM Code O91.1 (Abscess of breast associated with pregnancy)

ICD-10-CM code O91.1 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM O91.1 became effective on October 1, 2024.

This page provides detailed information about O91.1 - Abscess of breast associated with pregnancy, the puerperium and lactation. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Abscess of breast associated with pregnancy related to the puerperium and lactation.