Notes
Sample data are taken from MRREL.RRF. Associated strings(str) from MRCONSO.RRF are also included
- See relationships definitions below.
- Every relationship has a separate row in MRREL.RRF.
- Relationships are assigned based on source documentation or NLM understanding of the source.
- Metathesaurus relationships in MRREL.RRF are read from right to left.
- All relationships in MRREL.RRF are expressed in both directions, for example: 'has_ingredient/ingredient_of'. Inverse relationships in each pair are indicated on this page.
- An asterisk (*) in the relationship attribute column indicates that no relationship attribute (RELA) was assigned.
- Every even row (indicated by orange colored rel/rela pairs) indicates that the current row is an inverse relationship of the row above it.
- See section 2.7.1.3.9 in UMLS Documentation Section 2, Metathesaurus for more information on Related Concepts, MRREL.RRF.
Relationship Definitions
- 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
Sample Data
PAR
(return to top)| CUI1 | AUI1 | STYPE1 | STR | REL | STR | STYPE2 | AUI2 | CUI2 |
|---|---|---|---|---|---|---|---|---|
| C1971382 | A13300439 | SCUI | NON-INVASIVE ELECTRODIAGNOSTIC TESTING WITH AUTOMATIC COMPUTERIZED HAND-HELD DEVICE TO STIMULATE AND MEASURE NEUROMUSCULAR SIGNALS IN DIAGNOSING AND EVALUATING SYSTEMIC AND ENTRAPMENT NEUROPATHIES | PAR | Temporary National Codes (Non-Medicare) | SCUI | A13297288 | C1971546 |
| C1971546 | A13297288 | SCUI | Temporary National Codes (Non-Medicare) | CHD | NON-INVASIVE ELECTRODIAGNOSTIC TESTING WITH AUTOMATIC COMPUTERIZED HAND-HELD DEVICE TO STIMULATE AND MEASURE NEUROMUSCULAR SIGNALS IN DIAGNOSING AND EVALUATING SYSTEMIC AND ENTRAPMENT NEUROPATHIES | SCUI | A13300439 | C1971382 |
| C0812732 | A1751731 | SCUI | INJECTION, AZITHROMYCIN, 500 MG | PAR | Drugs Administered Other Than Oral Method | SCUI | A13300056 | C0812983 |
| C0812983 | A13300056 | SCUI | Drugs Administered Other Than Oral Method | CHD | INJECTION, AZITHROMYCIN, 500 MG | SCUI | A1751731 | C0812732 |
| C0919098 | A1947608 | SCUI | ELBOW ORTHOSIS, WITH ADJUSTABLE POSITION LOCKING JOINT(S), PREFABRICATED, INCLUDES FITTING AND ADJUSTMENTS, ANY TYPE | PAR | Elbow Orthotic (EO) | SCUI | A16023810 | C2368642 |
| C2368642 | A16023810 | SCUI | Elbow Orthotic (EO) | CHD | ELBOW ORTHOSIS, WITH ADJUSTABLE POSITION LOCKING JOINT(S), PREFABRICATED, INCLUDES FITTING AND ADJUSTMENTS, ANY TYPE | SCUI | A1947608 | C0919098 |
| C0520174 | A1099518 | SCUI | TRACHEOSTOMY CARE KIT FOR ESTABLISHED TRACHEOSTOMY | PAR | Supplies for Oxygen and Related Respiratory Equipment | SCUI | A13295817 | C0812882 |
| C0812882 | A13295817 | SCUI | Supplies for Oxygen and Related Respiratory Equipment | CHD | TRACHEOSTOMY CARE KIT FOR ESTABLISHED TRACHEOSTOMY | SCUI | A1099518 | C0520174 |
| C0994019 | A2231228 | SCUI | CAST SUPPLIES, SHORT ARM SPLINT, PEDIATRIC (0-10 YEARS), FIBERGLASS | PAR | Q Codes (Temporary) | SCUI | A13300074 | C0813127 |
| C0813127 | A13300074 | SCUI | Q Codes (Temporary) | CHD | CAST SUPPLIES, SHORT ARM SPLINT, PEDIATRIC (0-10 YEARS), FIBERGLASS | SCUI | A2231228 | C0994019 |
PAR
(return to top)| CUI1 | AUI1 | STYPE1 | STR | REL | STR | STYPE2 | AUI2 | CUI2 |
|---|---|---|---|---|---|---|---|---|
| C0851272 | A13296621 | SCUI | HCPCS Modifiers | PAR | Metathesaurus HCPCS Hierarchical Terms | AUI | A13475665 | C1140233 |
| C1140233 | A13475665 | AUI | Metathesaurus HCPCS Hierarchical Terms | CHD | HCPCS Modifiers | SCUI | A13296621 | C0851272 |
| C0851270 | A13300085 | SCUI | HCPCS Level I Preferred Terms, Obsolete | PAR | Metathesaurus HCPCS Hierarchical Terms | AUI | A13475665 | C1140233 |
| C1140233 | A13475665 | AUI | Metathesaurus HCPCS Hierarchical Terms | CHD | HCPCS Level I Preferred Terms, Obsolete | SCUI | A13300085 | C0851270 |
| C0993650 | A13296622 | SCUI | HCPCS Level II Preferred Terms | PAR | Metathesaurus HCPCS Hierarchical Terms | AUI | A13475665 | C1140233 |
| C1140233 | A13475665 | AUI | Metathesaurus HCPCS Hierarchical Terms | CHD | HCPCS Level II Preferred Terms | SCUI | A13296622 | C0993650 |
| C0851276 | A13299386 | SCUI | HCPCS Level II Preferred Terms, Obsolete | PAR | Metathesaurus HCPCS Hierarchical Terms | AUI | A13475665 | C1140233 |
| C1140233 | A13475665 | AUI | Metathesaurus HCPCS Hierarchical Terms | CHD | HCPCS Level II Preferred Terms, Obsolete | SCUI | A13299386 | C0851276 |
