ICD-10-CM-2023: O91 Infections of breast associated with pregnancy, the puerperium and lactation

ICD-10-CM-2023 > O00-O9A > O85-O92 > O91

O85-O92	Complications predominantly related to the puerperium
	Excl2.:	mental and behavioral disorders associated with the puerperium (F53.-) obstetrical tetanus (A34) puerperal osteomalacia (M83.0)
O91	Infections of breast associated with pregnancy, the puerperium and lactation
	Use add'l	code to identify infection
O91.0	Infection of nipple associated with pregnancy, the puerperium and lactation
O91.01	Infection of nipple associated with pregnancy
	Info:	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
	Info:	Puerperal abscess of nipple
O91.03	Infection of nipple associated with lactation
	Info:	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
	Info:	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
	Info:	Puerperal mammary abscess Puerperal purulent mastitis Puerperal subareolar abscess
O91.13	Abscess of breast associated with lactation
	Info:	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
	Info:	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
	Info:	Puerperal interstitial mastitis Puerperal lymphangitis of breast Puerperal mastitis NOS Puerperal parenchymatous mastitis
O91.23	Nonpurulent mastitis associated with lactation
	Info:	Interstitial mastitis associated with lactation Lymphangitis of breast associated with lactation Mastitis NOS associated with lactation Parenchymatous mastitis associated with lactation

and

Infections of breast associated with pregnancy, the puerperium and lactation

Infection of nipple associated with pregnancy, the puerperium and lactation

Abscess of breast associated with pregnancy, the puerperium and lactation

Nonpurulent mastitis associated with pregnancy, the puerperium and lactation