ICD-10-CM > O00-O9A > O85-O92 > O92 > O92.0 O92.0 Retracted nipple associated with pregnancy, the puerperium, and lactation Non-Billable/Non-Specific Codes O92.01Retracted nipple associated with pregnancyO92.011Retracted nipple associated with pregnancy, first trimesterO92.012Retracted nipple associated with pregnancy, second trimesterO92.013Retracted nipple associated with pregnancy, third trimesterO92.019Retracted nipple associated with pregnancy, unspecified trimesterO92.02Retracted nipple associated with the puerperiumO92.03Retracted nipple associated with lactation