| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Au^a^ blood group typing | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Blood typing, RBC antigens from Kell system (ISBT 006) | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Js^a^ blood group typing | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Js^b^ blood group typing | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Kp^a^ blood group typing | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Kp^b^ blood group typing | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Radiological reduction of intussusception of rectum using barium enema | Method | False | Investigation - action | Inferred relationship | Some |  | 
| K blood group typing | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Little k blood group typing | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Blood typing, RBC antigens from Lewis system (ISBT 007) | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Le^a^ blood group typing | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Le^b^ blood group typing | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Le^ab^ blood group typing | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Blood typing, RBC antigens from Duffy system (ISBT 008) | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Fy^a^ blood group typing | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Fy^b^ blood group typing | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Blood typing, RBC antigens from Kidd system (ISBT 009) | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Jk^a^ blood group typing | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Jk^b^ blood group typing | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Jk3 blood group typing | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Blood typing, RBC antigens from Diego system (ISBT 010) | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Di^a^ blood group typing | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Di^b^ blood group typing | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Blood typing, RBC antigens from Yt system (ISBT 011) | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Yt^a^ blood group typing | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Yt^b^ blood group typing | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Blood typing, RBC antigens from Xg system (ISBT 012) | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Xg^a^ blood group typing | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Blood typing, RBC antigens from Scianna system (ISBT 013) | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Blood typing, RBC antigens from Dombrock system (ISBT 014) | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Do^a^ blood group typing | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Blood typing, RBC antigens from Colton system (ISBT 015) | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Blood typing, RBC antigens from Landsteiner-Weiner system (ISBT 016) | Method | False | Investigation - action | Inferred relationship | Some |  | 
| LW blood group typing (obsolete notation) | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Blood typing, RBC antigens from Chido/Rodgers system (ISBT 017) | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Blood typing, RBC antigens from Hh system (ISBT 018) | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Blood typing, RBC antigens from Kx system (ISBT 019) | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Blood typing, RBC antigens from Gerbich system (ISBT 020) | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Blood typing, RBC antigens from Cromer system (ISBT 021) | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Blood typing, RBC antigens from Knops system (ISBT 022) | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Operative cholangiography through cystic duct | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Direct puncture operative cholangiography | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Blood typing, RBC antigens from Indian system (ISBT 023) | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Blood typing, RBC antigens from Cost collection (ISBT 205) | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Blood typing, RBC antigens from Ii collection (ISBT 207) | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Endoscopic retrograde cholangiopancreatography | Method | False | Investigation - action | Inferred relationship | Some |  | 
| I blood group typing | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Endoscopic retrograde pancreatography | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Endoscopic retrograde pancreatography via accessory ampulla of Vater | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Little i blood group typing | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Blood typing, RBC antigens from Er collection (ISBT 208) | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Blood typing, RBC antigens from GLOBO collection (ISBT 209) | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Percutaneous cholangiogram | Method | False | Investigation - action | Inferred relationship | Some |  | 
| T tube cholangiogram | Method | False | Investigation - action | Inferred relationship | Some |  | 
| P^k^ blood group typing | Method | False | Investigation - action | Inferred relationship | Some |  | 
| P blood group typing | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Blood typing, RBC antigens from 210 collection (ISBT 210) | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Blood typing, RBC antigens, not in systems or collections classified by ISBT 1995 | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Bg^a^ blood group typing | Method | False | Investigation - action | Inferred relationship | Some |  | 
| i-1 blood group phenotype determination | Method | False | Investigation - action | Inferred relationship | Some |  | 
| i-2 blood group phenotype determination | Method | False | Investigation - action | Inferred relationship | Some |  | 
| I int phenotype determination | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Prograde operative pancreatography | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Little p blood group typing | Method | False | Investigation - action | Inferred relationship | Some |  | 
| M1 blood group typing | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Percutaneous pancreatogram | Method | False | Investigation - action | Inferred relationship | Some |  | 
| P1 blood group typing | Method | False | Investigation - action | Inferred relationship | Some |  | 
| P2 blood group typing | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Red cell antigen phenotyping, blood product unit | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Red cell antigen phenotyping, patient red cells | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Antibody screen, serum | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Antibody screen, cold absorption | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Antibody screen, eluate | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Antibody screen, prewarmed | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Antibody screen, rest absorption | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Antibody screen, warm absorption | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Pretreatment of RBC's for use in blood bank procedure | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Pretreatment of serum for use in blood bank procedure | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Antibody titration | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Anti-D titration | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Erythrocyte antibody concentration measurement | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Identification of antibody to RBC antigens from ABO system (ISBT 001) | Method | False | Investigation - action | Inferred relationship | Some |  | 
| B blood group antibody identification | Method | False | Investigation - action | Inferred relationship | Some |  | 
| A,B blood group antibody identification | Method | False | Investigation - action | Inferred relationship | Some |  | 
| A>1< blood group antibody identification | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Identification of antibody to RBC antigens from MNS system (ISBT 002) | Method | False | Investigation - action | Inferred relationship | Some |  | 
| M blood group antibody identification | Method | False | Investigation - action | Inferred relationship | Some |  | 
| N blood group antibody identification | Method | False | Investigation - action | Inferred relationship | Some |  | 
| S blood group antibody identification | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Little s blood group antibody identification | Method | False | Investigation - action | Inferred relationship | Some |  | 
| U blood group antibody identification | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Mi^a^ blood group antibody identification | Method | False | Investigation - action | Inferred relationship | Some |  | 
| M^g^ blood group antibody identification | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Identification of antibody to RBC antigens from P system (ISBT 003) | Method | False | Investigation - action | Inferred relationship | Some |  | 
| P1 blood group antibody identification | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Identification of antibody to RBC antigens from Rh system (ISBT 004) | Method | False | Investigation - action | Inferred relationship | Some |  | 
| D blood group antibody identification | Method | False | Investigation - action | Inferred relationship | Some |  | 
| C blood group antibody identification | Method | False | Investigation - action | Inferred relationship | Some |  | 
| E blood group antibody identification | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Little c blood group antibody identification | Method | False | Investigation - action | Inferred relationship | Some |  | 
| Little e blood group antibody identification | Method | False | Investigation - action | Inferred relationship | Some |  |