O91
Non-billableInfect of breast assoc w pregnancy, the puerp and lactation
Infections of breast associated with pregnancy, the puerperium and lactation
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
Use Additional Code
Additional codes that should follow this code
- code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.
- code to identify infection
Child Codes (3)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(2)
Frequently Asked Questions
What is the ICD-10 code for infect of breast assoc w pregnancy, the puerp and lactation?
The ICD-10-CM code for infect of breast assoc w pregnancy, the puerp and lactation is O91. The full clinical description is "Infections of breast associated with pregnancy, the puerperium and lactation". O91 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code O91 mean?
ICD-10-CM code O91 represents “Infections of breast associated with pregnancy, the puerperium and lactation”. It is classified under Chapter 15: Pregnancy, Childbirth and the Puerperium and is a non-billable header code. Use a more specific child code for billing purposes.
Is O91 a billable code?
No, O91 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 3 child codes under O91.
What chapter is O91 in?
O91 is in Chapter 15: Pregnancy, Childbirth and the Puerperium (codes O00-O9A).
What codes cannot be used with O91?
O91 has Excludes1 notes indicating codes that cannot be used together with it, including: supervision of normal pregnancy (Z34.-).
What are the subcategories under O91?
O91 has 3 child codes, including: O91.0 (Infct of nipple assoc w pregnancy, the puerp and lactation), O91.1 (Abscess of breast assoc w pregnancy, the puerp and lactation), O91.2 (Nonpurulent mastitis assoc w preg, the puerp and lactation).
Are additional codes required with O91?
Yes, when using O91, also report: code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.; infection.
What are the UMLS CUIs for O91?
O91 is linked to 1 UMLS Concept Unique Identifier: C2909482. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does O91 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like infect of breast assoc w pregnancy, the puerp and lactation affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of O91?
O91 maps to the ICD-11 code: JB45.Z (Infections of breast associated with childbirth, unspecified).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.