ICD-10-CM > O00-O9A > O85-O92 > O92 > O92.1 O92.1 Cracked nipple associated with pregnancy, the puerperium, and lactation Non-Billable/Non-Specific Applicable To Fissure of nipple, gestational or puerperal Codes O92.11Cracked nipple associated with pregnancyO92.111Cracked nipple associated with pregnancy, first trimesterO92.112Cracked nipple associated with pregnancy, second trimesterO92.113Cracked nipple associated with pregnancy, third trimesterO92.119Cracked nipple associated with pregnancy, unspecified trimesterO92.12Cracked nipple associated with the puerperiumO92.13Cracked nipple associated with lactation