| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Trial fit of device - action | Is a | True | Fitting - action | Inferred relationship | Existential restriction modifier |  | 
| Colostomy bag fitting | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 1 | 
| Ileostomy bag fitting | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 1 | 
| Gastrostomy bag fitting | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 1 | 
| Fitting stoma bag | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 1 | 
| Fitting seal of stoma appliance | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 1 | 
| Fitting flange of stoma appliance | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 1 | 
| Fitting stoma appliance | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 1 | 
| Fit hearing aid | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 1 | 
| Fitting of splint | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 1 | 
| Provision of artificial eye | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 4 | 
| Provision of ocular cosmetic shell | Method | True | Fitting - action | Inferred relationship | Existential restriction modifier | 4 | 
| Provision of spectacle low vision aid - near | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 1 | 
| Provision of spectacle magnifier | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 2 | 
| Provision of spectacle telescope | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 2 | 
| Near low vision aid - extra cap for telescope | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 2 | 
| Provision of telescopic spectacles | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 2 | 
| Provision of headband telescope | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 2 | 
| Provision of optical low vision aid - distance | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 3 | 
| Provision of hand held distance telescope | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 3 | 
| Provision of headband distance telescope | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 4 | 
| Provision of spectacle distance telescope | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 3 | 
| Provision of integral spectacle distance telescope | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 4 | 
| Provision of clip-on spectacle distance telescope | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 4 | 
| Provision of scleral contact lens | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 3 | 
| Provision of corneoscleral contact lens | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 3 | 
| Provision of corneal contact lens | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 3 | 
| Prescribing corneal contact lens | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 2 | 
| Fitting of external prosthetic device on penis | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 1 | 
| Custom fitting | Method | True | Fitting - action | Inferred relationship | Existential restriction modifier | 1 | 
| Wax-up of trial maxillofacial prosthesis | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 2 | 
| Wax-up of trial denture | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 2 | 
| Fit ear mold | Method | True | Fitting - action | Inferred relationship | Existential restriction modifier | 2 | 
| Fit ear mold for existing hearing aid | Method | True | Fitting - action | Inferred relationship | Existential restriction modifier | 1 | 
| Fit ear mold for swim plug | Method | True | Fitting - action | Inferred relationship | Existential restriction modifier | 1 | 
| Fit ear mold for hearing protection | Method | True | Fitting - action | Inferred relationship | Existential restriction modifier | 1 | 
| Fit tinnitus masker | Method | True | Fitting - action | Inferred relationship | Existential restriction modifier | 2 | 
| Urinary stoma bag fitting | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 1 | 
| Provision of removable artificial eye | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 4 | 
| Fitting procedure | Method | True | Fitting - action | Inferred relationship | Existential restriction modifier | 1 | 
| Fitting of pessary | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 1 | 
| Orthotic device construction and fitting | Method | True | Fitting - action | Inferred relationship | Existential restriction modifier | 2 | 
| Fitting of spectacles, monofocal | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 1 | 
| Fitting of spectacles, low vision aid, single element | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 1 | 
| Replacement of contact lens | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 2 | 
| Prescription, fitting and dispensing of contact lens | Method | True | Fitting - action | Inferred relationship | Existential restriction modifier | 1 | 
| Prescribing, fitting and revision of contact lens | Method | True | Fitting - action | Inferred relationship | Existential restriction modifier | 2 | 
| Fitting and dispensing of spectacles | Method | True | Fitting - action | Inferred relationship | Existential restriction modifier | 1 | 
| Prescribing contact lens for aphakia, unilateral | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 2 | 
| Fitting of prosthetic upper limb device | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 1 | 
| Fitting of prosthesis or prosthetic device of upper arm | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 1 | 
| Fitting of orthotic device | Method | True | Fitting - action | Inferred relationship | Existential restriction modifier | 1 | 
| Prescribing, fitting and revision of corneoscleral contact lens | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 1 | 
| Fitting of prosthesis or prosthetic device of lower arm | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 1 | 
| Fitting of hearing aid | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 1 | 
| Fitting of prosthesis or prosthetic device of leg below knee | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 1 | 
| Modification of contact lens | Method | True | Fitting - action | Inferred relationship | Existential restriction modifier | 2 | 
| Prescribing contact lens for aphakia, bilateral | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 2 | 
| Fitting of prosthesis of leg | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 1 | 
| Diaphragm fitting with education | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 2 | 
| Fitting of shoe | Method | True | Fitting - action | Inferred relationship | Existential restriction modifier | 2 | 
| Prescribing corneoscleral contact lens | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 3 | 
| Prescribing, fitting and supply of ocular prosthesis | Method | True | Fitting - action | Inferred relationship | Existential restriction modifier | 3 | 
| Fitting of prosthesis or prosthetic device of shoulder | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 1 | 
| Fitting of artificial limb | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 1 | 
| Prescribing contact lens for aphakia | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 2 | 
| Facial measurement and fitting of spectacles, single focus | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 2 | 
| Fitting of prosthesis | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 1 | 
| Supply of spectacles | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 2 | 
| Prescribing spectacles for aphakia | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 1 | 
| Fitting of spectacles, bifocal | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 1 | 
| Fitting of prosthesis above knee | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 1 | 
| Prescribing, fitting and supervision of ocular prosthesis | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 2 | 
| Fitting of prosthesis of hand | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 1 | 
| Repair and refitting spectacles | Method | True | Fitting - action | Inferred relationship | Existential restriction modifier | 1 | 
| Prosthetic construction and fitting | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 1 | 
| Fitting of prosthesis or prosthetic device of arm | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 1 | 
| Fitting of lower limb prosthesis | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 1 | 
| Prescription of spectacles | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 2 | 
| Spectacles for aphakia | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 3 | 
| Other urine stoma bag fitting | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 1 | 
| Fitting obturator of nasal septum | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 1 | 
| Fit complete upper and lower dentures | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 1 | 
| Fit partial denture | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 1 | 
| Fit partial upper denture | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 1 | 
| Fit partial lower denture | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 1 | 
| Fit removable functional orthodontic appliance | Method | True | Fitting - action | Inferred relationship | Existential restriction modifier | 1 | 
| Fit fixed functional orthodontic appliance | Method | True | Fitting - action | Inferred relationship | Existential restriction modifier | 1 | 
| Fit removable orthodontic retainer | Method | True | Fitting - action | Inferred relationship | Existential restriction modifier | 1 | 
| Fit denture | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 1 | 
| Fit functional orthodontic appliance | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 1 | 
| Upper partial denture, cast metal base without resin saddles, including any conventional clasps, rests and teeth | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 1 | 
| Complete denture, including adjustments | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 1 | 
| Lower partial denture, cast metal base with resin saddles, including any conventional clasps, rests and teeth | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 1 | 
| Lower partial denture, resin base, including any conventional clasps, rests and teeth | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 1 | 
| Immediate upper denture | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 1 | 
| Interim complete upper denture | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 1 | 
| Removable unilateral partial denture, one piece cast metal, including clasps and pontics | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 1 | 
| Complete upper denture | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 1 | 
| Complete lower denture | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 1 | 
| Interim partial upper denture | Method | False | Fitting - action | Inferred relationship | Existential restriction modifier | 1 |