| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Obstetric nipple infection | Finding site | False | Nipple structure | Inferred relationship | Some |  | 
| Cracked nipple in pregnancy, the puerperium or lactation | Finding site | False | Nipple structure | Inferred relationship | Some | 1 | 
| Non-puerperal fistula of nipple | Finding site | False | Nipple structure | Inferred relationship | Some | 1 | 
| Reconstruction of areola | Procedure site | False | Nipple structure | Inferred relationship | Some |  | 
| Plastic operations on nipple | Procedure site | False | Nipple structure | Inferred relationship | Some | 1 | 
| Reconstruction of the nipple or areola complex with full thickness skin graft | Procedure site | False | Nipple structure | Inferred relationship | Some | 1 | 
| Reconstruction of nipple or areola complex using nipple sharing technique | Procedure site | False | Nipple structure | Inferred relationship | Some | 1 | 
| Nipple discharge NOS | Finding site | False | Nipple structure | Inferred relationship | Some |  | 
| Other specified operation on nipple | Procedure site | False | Nipple structure | Inferred relationship | Some | 1 | 
| Operation on nipple NOS | Procedure site | False | Nipple structure | Inferred relationship | Some | 1 | 
| Malignant neoplasm of nipple or areola of female breast NOS | Finding site | False | Nipple structure | Inferred relationship | Some | 1 | 
| Malignant neoplasm of nipple or areola of male breast NOS | Finding site | False | Nipple structure | Inferred relationship | Some | 2 | 
| Scalp, ear, nipple syndrome | Finding site | True | Nipple structure | Inferred relationship | Some | 1 | 
| Obstetric nipple infection unspecified | Finding site | False | Nipple structure | Inferred relationship | Some |  | 
| Obstetric nipple infection NOS | Finding site | False | Nipple structure | Inferred relationship | Some |  | 
| Retracted nipple in pregnancy, the puerperium or lactation unspecified | Finding site | False | Nipple structure | Inferred relationship | Some | 1 | 
| Retracted nipple in pregnancy, the puerperium or lactation NOS | Finding site | False | Nipple structure | Inferred relationship | Some | 1 | 
| Cracked nipple in pregnancy, the puerperium or lactation unspecified | Finding site | False | Nipple structure | Inferred relationship | Some | 1 | 
| Cracked nipple in pregnancy, the puerperium or lactation NOS | Finding site | False | Nipple structure | Inferred relationship | Some | 1 | 
| Candidiasis of nipple | Finding site | True | Nipple structure | Inferred relationship | Some | 1 | 
| Joint contracture, webbed neck, micrognathia, hypoplastic nipple syndrome | Finding site | True | Nipple structure | Inferred relationship | Some | 2 | 
| Reconstruction of the nipple or areola complex unspecified | Procedure site | False | Nipple structure | Inferred relationship | Some |  | 
| Size of nipple - finding | Finding site | True | Nipple structure | Inferred relationship | Some | 2 | 
| Position of nipple - finding | Finding site | True | Nipple structure | Inferred relationship | Some | 2 | 
| Nipple infection | Finding site | True | Nipple structure | Inferred relationship | Some | 1 | 
| Obstetric nipple infection with postnatal complication | Finding site | True | Nipple structure | Inferred relationship | Some | 1 | 
| Postpartum nipple infection | Finding site | False | Nipple structure | Inferred relationship | Some | 1 | 
| Obstetric nipple infection - delivered with postnatal complication | Finding site | False | Nipple structure | Inferred relationship | Some | 1 | 
| Obstetric nipple infection | Finding site | True | Nipple structure | Inferred relationship | Some | 1 | 
| Obstetric nipple infection with antenatal complication | Finding site | True | Nipple structure | Inferred relationship | Some | 1 | 
| Correction of inverted nipples | Procedure site - Direct | True | Nipple structure | Inferred relationship | Some | 2 | 
| Reconstruction of nipple and areola with full thickness graft of skin | Procedure site - Direct | True | Nipple structure | Inferred relationship | Some | 1 | 
| Infection of nipple associated with lactation | Finding site | True | Nipple structure | Inferred relationship | Some | 1 | 
| Reconstruction of nipple with full thickness graft of skin | Procedure site - Direct | True | Nipple structure | Inferred relationship | Some | 1 | 
| Mass of nipple of breast | Finding site | True | Nipple structure | Inferred relationship | Some | 1 | 
| Nipple prosthesis, implantable | Has device intended site | True | Nipple structure | Inferred relationship | Some |  | 
| Malignant neoplasm of nipple and areola of male breast | Finding site | True | Nipple structure | Inferred relationship | Some | 1 | 
| Nipple (& skin of nipple) | Is a | False | Nipple structure | Inferred relationship | Some |  | 
| Reconstruction of nipple using local skin flap | Procedure site - Direct | True | Nipple structure | Inferred relationship | Some | 1 | 
| Reconstruction of nipple using local skin flap and synthetic mesh | Procedure site - Direct | True | Nipple structure | Inferred relationship | Some | 1 | 
| Reconstruction of nipple using local skin flap and synthetic mesh | Procedure site - Direct | True | Nipple structure | Inferred relationship | Some | 2 | 
| Reconstruction of nipple using local skin flap and acellular dermal matrix | Procedure site - Direct | True | Nipple structure | Inferred relationship | Some | 1 | 
| Reconstruction of nipple using local skin flap and acellular dermal matrix | Procedure site - Direct | True | Nipple structure | Inferred relationship | Some | 2 | 
| Nipple exploration with excision of lactiferous duct | Procedure site - Direct | True | Nipple structure | Inferred relationship | Some | 3 | 
| Epibulbar lipodermoid, preauricular appendage, polythelia syndrome | Finding site | True | Nipple structure | Inferred relationship | Some | 3 | 
| Infection of nipple associated with childbirth with attachment difficulty | Finding site | True | Nipple structure | Inferred relationship | Some | 1 | 
| Retracted nipple associated with childbirth with attachment difficulty | Finding site | True | Nipple structure | Inferred relationship | Some | 1 | 
| Cracked nipple associated with childbirth with attachment difficulty | Finding site | True | Nipple structure | Inferred relationship | Some | 1 | 
| Retraction of nipple | Finding site | True | Nipple structure | Inferred relationship | Some | 1 | 
| Abnormal retraction of nipple | Finding site | True | Nipple structure | Inferred relationship | Some | 1 | 
| Congenital abnormal retraction of nipple | Finding site | True | Nipple structure | Inferred relationship | Some | 1 | 
| Itching of nipple | Finding site | True | Nipple structure | Inferred relationship | Some | 1 | 
| Postpartum cracked nipple | Finding site | True | Nipple structure | Inferred relationship | Some | 1 | 
| Nipple part | Is a | True | Nipple structure | Inferred relationship | Some |  | 
| Congenital inversion of nipple | Finding site | False | Nipple structure | Inferred relationship | Some | 1 | 
| Excision of accessory nipple | Procedure site | False | Nipple structure | Inferred relationship | Some | 1 | 
| Excision of nipple lesion | Procedure site | False | Nipple structure | Inferred relationship | Some | 1 | 
| Excision of nipple | Procedure site | False | Nipple structure | Inferred relationship | Some | 1 | 
| Thelitis | Finding site | False | Nipple structure | Inferred relationship | Some | 1 | 
| Structure of circulus venosus of base of nipple | Is a | False | Nipple structure | Inferred relationship | Some |  | 
| Breast nipple cytologic material | Specimen source topography | True | Nipple structure | Inferred relationship | Some | 1 | 
| Structure of collecting duct of nipple | Is a | False | Nipple structure | Inferred relationship | Some |  | 
| Nipple bruised | Finding site | False | Nipple structure | Inferred relationship | Some | 1 | 
| Breast nipple discharge specimen | Specimen source topography | True | Nipple structure | Inferred relationship | Some | 1 | 
| Nipple reconstruction | Procedure site | False | Nipple structure | Inferred relationship | Some | 1 | 
| Nipple and areola reconstruction | Procedure site | False | Nipple structure | Inferred relationship | Some |  | 
| Transposition of nipple | Procedure site | False | Nipple structure | Inferred relationship | Some | 3 | 
| Exploration of nipple | Procedure site | False | Nipple structure | Inferred relationship | Some | 4 | 
| Biopsy of lesion of accessory nipple | Procedure site | False | Nipple structure | Inferred relationship | Some | 1 | 
| Congenital retraction of nipple | Finding site | False | Nipple structure | Inferred relationship | Some | 1 | 
| Biopsy of lesion of nipple | Procedure site | False | Nipple structure | Inferred relationship | Some | 1 | 
| Incision and exploration of nipple | Procedure site | False | Nipple structure | Inferred relationship | Some | 3 | 
| Primary malignant neoplasm of nipple of female breast | Finding site | False | Nipple structure | Inferred relationship | Some | 1 | 
| Extirpation of lesion of nipple | Procedure site | False | Nipple structure | Inferred relationship | Some | 1 | 
| Congenital inversion of nipple | Finding site | False | Nipple structure | Inferred relationship | Some | 2 | 
| Congenital inversion of nipple | Finding site | False | Nipple structure | Inferred relationship | Some | 2 | 
| Transposition of nipple | Procedure site | False | Nipple structure | Inferred relationship | Some | 1 | 
| Exploration of nipple | Procedure site | False | Nipple structure | Inferred relationship | Some | 2 | 
| Biopsy of lesion of accessory nipple | Procedure site | False | Nipple structure | Inferred relationship | Some | 3 | 
| Congenital retraction of nipple | Finding site | False | Nipple structure | Inferred relationship | Some | 2 | 
| Biopsy of lesion of nipple | Procedure site | False | Nipple structure | Inferred relationship | Some | 3 | 
| Incision and exploration of nipple | Procedure site | False | Nipple structure | Inferred relationship | Some | 1 | 
| Primary malignant neoplasm of nipple of female breast | Finding site | False | Nipple structure | Inferred relationship | Some | 2 | 
| Extirpation of lesion of nipple | Procedure site | False | Nipple structure | Inferred relationship | Some | 1 | 
| Hyperkeratosis of nipple | Finding site | False | Nipple structure | Inferred relationship | Some | 1 | 
| Teat | Is a | False | Nipple structure | Inferred relationship | Some |  | 
| Exploration of nipple | Procedure site | False | Nipple structure | Inferred relationship | Some | 1 | 
| Congenital inversion of nipple | Finding site | False | Nipple structure | Inferred relationship | Some | 2 | 
| Primary malignant neoplasm of nipple of female breast | Finding site | False | Nipple structure | Inferred relationship | Some | 1 | 
| Biopsy of lesion of nipple | Procedure site | False | Nipple structure | Inferred relationship | Some | 1 | 
| Biopsy of lesion of accessory nipple | Procedure site | False | Nipple structure | Inferred relationship | Some | 2 | 
| Transposition of nipple | Procedure site | False | Nipple structure | Inferred relationship | Some | 2 | 
| Congenital retraction of nipple | Finding site | False | Nipple structure | Inferred relationship | Some | 2 | 
| Incision and exploration of nipple | Procedure site | False | Nipple structure | Inferred relationship | Some | 3 | 
| Extirpation of lesion of nipple | Procedure site | False | Nipple structure | Inferred relationship | Some | 1 | 
| Exploration of nipple | Procedure site | False | Nipple structure | Inferred relationship | Some | 2 | 
| Congenital inversion of nipple | Finding site | False | Nipple structure | Inferred relationship | Some | 2 | 
| Primary malignant neoplasm of nipple of female breast | Finding site | False | Nipple structure | Inferred relationship | Some | 2 | 
| Biopsy of lesion of nipple | Procedure site | False | Nipple structure | Inferred relationship | Some | 2 | 
| Biopsy of lesion of accessory nipple | Procedure site | False | Nipple structure | Inferred relationship | Some | 1 | 
| Transposition of nipple | Procedure site | False | Nipple structure | Inferred relationship | Some | 1 |