Skip Navigation Bar
NLM logo

Unified Medical Language System® (UMLS®)

2008AB ICD-9-CM Source Information


RelationshipRelationship AttributeCount (MRREL.RRF)
SIB * 133660
PAR * 21665
SY expanded_form_of 17849
PAR * 4

  • * Indicates blank relationship attribute (rela); not all relationships are assigned an attribute.
  • Orange colored rel/rela pairs indicate that the current row is an inverse relationship of the row above it. All relationships in MRREL.RRF are bi-directional.
  • Metathesaurus relationships are traditionally read from right to left.
  • Every row in MRREL.RRF has a RUI (relationship unique identifier).
  • Samples below are taken from MRREL.RRF, although not every field is shown. Associated terms (str) from MRCONSO.RRF are also shown for clarity.
  • Relationship abbreviations appear in MRREL, i.e., SY.

  • AQ: allowed qualifier
  • CHD: has child (narrower hierarchical term)
  • DEL: deleted concept
  • PAR: has parent (broader hierarchical term)
  • QB: can be qualifier by
  • RB: has a broader relationship
  • RL: has similar or like relationship
  • RN: has narrower relationship
  • RO: has relationship other than synonymous, narrower or broader
  • RQ: related and possibly synonymous
  • SIB: has sibling
  • SY: source-asserted synonymy

SIB  (return to top)
cui1aui1stype1strrelcui2aui2stype2str
C0261082 A8356016 SDUI Other motor vehicle traffic accident involving collision on the highway injuring passenger in motor vehicle other than motorcycle SIB C0261089 A8356015 SDUI Other motor vehicle traffic accident involving collision on the highway injuring other specified person
C0261089 A8356015 SDUI Other motor vehicle traffic accident involving collision on the highway injuring other specified person SIB C0261082 A8356016 SDUI Other motor vehicle traffic accident involving collision on the highway injuring passenger in motor vehicle other than motorcycle
C0157607 A8347289 SDUI Abscess of breast associated with childbirth, delivered, with or without mention of antepartum condition SIB C0157608 A8347290 SDUI Abscess of breast associated with childbirth, delivered, with mention of postpartum complication
C0157608 A8347290 SDUI Abscess of breast associated with childbirth, delivered, with mention of postpartum complication SIB C0157607 A8347289 SDUI Abscess of breast associated with childbirth, delivered, with or without mention of antepartum condition
C0158304 A8347981 SDUI Bicipital tenosynovitis SIB C0158305 A8347982 SDUI Other specified disorders of bursae and tendons in shoulder region
C0158305 A8347982 SDUI Other specified disorders of bursae and tendons in shoulder region SIB C0158304 A8347981 SDUI Bicipital tenosynovitis
C0152259 A8344683 SDUI Cataract secondary to ocular disorders SIB C0029531 A8341162 SDUI Other cataract
C0029531 A8341162 SDUI Other cataract SIB C0152259 A8344683 SDUI Cataract secondary to ocular disorders
C0434411 A8363241 SDUI Sternum sprain, unspecified part SIB C0160119 A8349524 SDUI Other sprain of sternum
C0160119 A8349524 SDUI Other sprain of sternum SIB C0434411 A8363241 SDUI Sternum sprain, unspecified part
PAR  (return to top)
cui1aui1stype1strrelcui2aui2stype2str
C0032969 A8346528 SDUI Diabetes mellitus, antepartum PAR C0341893 A8346524 SDUI Diabetes mellitus complicating pregnancy, childbirth, or the puerperium
C0341893 A8346524 SDUI Diabetes mellitus complicating pregnancy, childbirth, or the puerperium CHD C0032969 A8346528 SDUI Diabetes mellitus, antepartum
C0193349 A8351429 SDUI Closure of salivary fistula PAR C0176431 A8362941 SDUI Repair of salivary gland or duct
C0176431 A8362941 SDUI Repair of salivary gland or duct CHD C0193349 A8351429 SDUI Closure of salivary fistula
C0159251 A8348860 SDUI Closed fracture of base of skull with subarachnoid, subdural, and extradural hemorrhage, with no loss of consciousness PAR C0159249 A8348858 SDUI Closed fracture of base of skull with subarachnoid, subdural, and extradural hemorrhage
C0159249 A8348858 SDUI Closed fracture of base of skull with subarachnoid, subdural, and extradural hemorrhage CHD C0159251 A8348860 SDUI Closed fracture of base of skull with subarachnoid, subdural, and extradural hemorrhage, with no loss of consciousness
C0267347 A8345769 SDUI Chronic gastrojejunal ulcer without mention of hemorrhage or perforation, without mention of obstruction PAR C0392502 A8345768 SDUI Chronic gastrojejunal ulcer without mention of hemorrhage or perforation
C0392502 A8345768 SDUI Chronic gastrojejunal ulcer without mention of hemorrhage or perforation CHD C0267347 A8345769 SDUI Chronic gastrojejunal ulcer without mention of hemorrhage or perforation, without mention of obstruction
C0029597 A8340923 SDUI Other disorders of the pituitary and other syndromes of diencephalohypophyseal origin PAR C0859058 A8343935 SDUI Disorders of the pituitary gland and its hypothalamic control
C0859058 A8343935 SDUI Disorders of the pituitary gland and its hypothalamic control CHD C0029597 A8340923 SDUI Other disorders of the pituitary and other syndromes of diencephalohypophyseal origin
SY  (return to top)
cui1aui1stype1strrelrelacui2aui2stype2str
C0197663 A12972736 AUI NONEXC DESTR CIL BOD LES SY expanded_form_of C0197663 A8359084 AUI Destruction of lesion of ciliary body, nonexcisional
C0197663 A8359084 AUI Destruction of lesion of ciliary body, nonexcisional SY has_expanded_form C0197663 A12972736 AUI NONEXC DESTR CIL BOD LES
C1145628 A12966363 AUI AUTONOMIC NERVE DIS NEC SY expanded_form_of C1145628 A8341093 AUI Unspecified disorder of autonomic nervous system
C1145628 A8341093 AUI Unspecified disorder of autonomic nervous system SY has_expanded_form C1145628 A12966363 AUI AUTONOMIC NERVE DIS NEC
C0375818 A12967944 AUI INITIATE CONTRACEPT NEC SY expanded_form_of C0375818 A8359346 AUI Encounter for general counseling on initiation of other contraceptive measures
C0375818 A8359346 AUI Encounter for general counseling on initiation of other contraceptive measures SY has_expanded_form C0375818 A12967944 AUI INITIATE CONTRACEPT NEC
C0202999 A12969694 AUI UPPER LIMB LYMPHANGIOGRM SY expanded_form_of C0202999 A8360399 AUI Lymphangiogram of upper limb
C0202999 A8360399 AUI Lymphangiogram of upper limb SY has_expanded_form C0202999 A12969694 AUI UPPER LIMB LYMPHANGIOGRM
C0176411 A12963962 AUI EXC OF DENTAL LES OF JAW SY expanded_form_of C0176411 A8359480 AUI Excision of dental lesion of jaw
C0176411 A8359480 AUI Excision of dental lesion of jaw SY has_expanded_form C0176411 A12963962 AUI EXC OF DENTAL LES OF JAW
PAR  (return to top)
cui1aui1stype1strrelcui2aui2stype2str
C0184661 A8352133 SDUI PROCEDURES PAR C1137112 A1415692 AUI The International Classification of Diseases: 9th revision, Clinical Modification
C1137112 A1415692 AUI The International Classification of Diseases: 9th revision, Clinical Modification CHD C0184661 A8352133 SDUI PROCEDURES
C0178237 A8359006 SDUI DISEASES AND INJURIES PAR C1137112 A1415692 AUI The International Classification of Diseases: 9th revision, Clinical Modification
C1137112 A1415692 AUI The International Classification of Diseases: 9th revision, Clinical Modification CHD C0178237 A8359006 SDUI DISEASES AND INJURIES
C0376109 A8363082 SDUI SUPPLEMENTARY CLASSIFICATION OF EXTERNAL CAUSES OF INJURY AND POISONING PAR C1137112 A1415692 AUI The International Classification of Diseases: 9th revision, Clinical Modification
C1137112 A1415692 AUI The International Classification of Diseases: 9th revision, Clinical Modification CHD C0376109 A8363082 SDUI SUPPLEMENTARY CLASSIFICATION OF EXTERNAL CAUSES OF INJURY AND POISONING
C2349817 A15574247 SDUI SUPPLEMENTARY CLASSIFICATION OF FACTORS INFLUENCING HEALTH STATUS AND CONTACT WITH HEALTH SERVICES PAR C1137112 A1415692 AUI The International Classification of Diseases: 9th revision, Clinical Modification
C1137112 A1415692 AUI The International Classification of Diseases: 9th revision, Clinical Modification CHD C2349817 A15574247 SDUI SUPPLEMENTARY CLASSIFICATION OF FACTORS INFLUENCING HEALTH STATUS AND CONTACT WITH HEALTH SERVICES

Last Reviewed: February 9, 2011