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ICD-10 diagnosis code

O91.2 Nonpurulent mastitis associated with childbirth

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O91.2 is the ICD-10 code for Nonpurulent mastitis associated with childbirth. It is a four-character subcategory of O91 (Infections of breast associated with childbirth), the most specific level in the WHO edition. It belongs to the block O85–O92 (Complications predominantly related to the puerperium) in Chapter XV, Pregnancy, childbirth and the puerperium.

Code type
Subcategory (4 characters)
Chapter
XV · O00–O99
Classification
WHO ICD-10, 2019 version

What O91.2 includes

Conditions and terms that are coded here.

  • Lymphangitis of breast
    • gestational or puerperal
  • Mastitis:
    • NOS gestational or puerperal
    • interstitial gestational or puerperal
    • parenchymatous gestational or puerperal

O91.2 in national editions

Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.

SwedenICD-10-SE

O91.2Icke varig mastit i samband med barnsbörd

NorwayICD-10-NO

O91.2Ikke-purulent mastitt i forbindelse med fødsel

DenmarkICD-10-DK

DO912Ikke-purulent mastitis i forbindelse med fødslen

  • DO912AGalactophoritis puerperalis
  • DO912BLymfangitis i bryst i barselsperiode
  • DO912CLymfangitis i bryst i graviditeten
  • DO912DLymfangitis i bryst i forbindelse med amning
  • DO912EMastitis i graviditeten UNS
  • DO912FIkke-purulent mastitis i forbindelse med amning
  • DO912GIkke-purulent mastitis i barselsperiode
  • DO912HIkke-purulent mastitis i graviditeten
  • and 1 more national subcodes
FinlandICD-10-FI

O91.2Synnytykseen liittyvä ei-märkäinen rintatulehdus

GermanyICD-10-GM

O91.2Nichteitrige Mastitis im Zusammenhang mit der Gestation

FranceICD-10-FR

O91.2Mastite non purulente associée à l'accouchement

NetherlandsICD-10-NL

O91.2niet-purulente mastitis verband houdend met bevalling

United StatesICD-10-CM

Listed through more specific codes:

  • O91.22Nonpurulent mastitis associated with the puerperium
  • O91.23Nonpurulent mastitis associated with lactation

Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.

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