N64.5 Other signs and symptoms in breastNon-billable header with 4 child codes.
N64.51 Induration of breastN64.52 Nipple dischargeN64.53 Retraction of nippleN64.59 Other signs and symptoms in breastN64.0 Fissure and fistula of nippleN64.1 Fat necrosis of breastN64.2 Atrophy of breastN64.3 Galactorrhea not associated with childbirthN64.4 MastodyniaN64.5 Other signs and symptoms in breast (this code)N64.51 Induration of breastN64.52 Nipple dischargeN64.53 Retraction of nippleN64.59 Other signs and symptoms in breastN64.8 Other specified disorders of breast