O91

Infections of breast associated with pregnancy, the puerperium and lactation

O91.0

Infection of nipple associated with pregnancy, the puerperium and lactation

O91.01

Infection of nipple associated with pregnancy

Gestational abscess of nipple

O91.011

Infection of nipple associated with pregnancy, first trimester

O91.012

Infection of nipple associated with pregnancy, second trimester

O91.013

Infection of nipple associated with pregnancy, third trimester

O91.019

Infection of nipple associated with pregnancy, unspecified trimester

O91.02

Infection of nipple associated with the puerperium

Puerperal abscess of nipple

O91.03

Infection of nipple associated with lactation

Abscess of nipple associated with lactation

O91.1

Abscess of breast associated with pregnancy, the puerperium and lactation

O91.11

Abscess of breast associated with pregnancy

Gestational mammary abscess
Gestational purulent mastitis
Gestational subareolar abscess

O91.111

Abscess of breast associated with pregnancy, first trimester

O91.112

Abscess of breast associated with pregnancy, second trimester

O91.113

Abscess of breast associated with pregnancy, third trimester

O91.119

Abscess of breast associated with pregnancy, unspecified trimester

O91.12

Abscess of breast associated with the puerperium

Puerperal mammary abscess
Puerperal purulent mastitis
Puerperal subareolar abscess

O91.13

Abscess of breast associated with lactation

Mammary abscess associated with lactation
Purulent mastitis associated with lactation
Subareolar abscess associated with lactation

O91.2

Nonpurulent mastitis associated with pregnancy, the puerperium and lactation

O91.21

Nonpurulent mastitis associated with pregnancy

Gestational interstitial mastitis
Gestational lymphangitis of breast
Gestational mastitis NOS
Gestational parenchymatous mastitis

O91.211

Nonpurulent mastitis associated with pregnancy, first trimester

O91.212

Nonpurulent mastitis associated with pregnancy, second trimester

O91.213

Nonpurulent mastitis associated with pregnancy, third trimester

O91.219

Nonpurulent mastitis associated with pregnancy, unspecified trimester

O91.22

Nonpurulent mastitis associated with the puerperium

Puerperal interstitial mastitis
Puerperal lymphangitis of breast
Puerperal mastitis NOS
Puerperal parenchymatous mastitis

O91.23

Nonpurulent mastitis associated with lactation

Interstitial mastitis associated with lactation
Lymphangitis of breast associated with lactation
Mastitis NOS associated with lactation
Parenchymatous mastitis associated with lactation