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Unified Medical Language System® (UMLS®)

2012AA UMD Source Information

Counts

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Term Type Description Count (MRCONSO.RRF)
PT Designated preferred name 9234
ET Entry term 8192
SY Designated synonym 6673
RT Designated related term 2579
HT Hierarchical term 67

Notes

  • A term type indicates the role an atom plays in its source
  • An atom is the smallest unit of naming in a source; that is, a specific string with specific code values and identifiers from a specific source.
  • Every atom has a separate row in MRCONSO.RRF. Every atom is assigned a term type.
  • Term types are assigned based on source documentation or NLM understanding of the source.
  • Sample data are provided for every term type in the source (see below).
  • See Metathesaurus Documentation for a list of all term type abbreviations and their full names.
  • See Metathesaurus Documentation for a list of sources and their associated term types, listed in default order of precedence.
  • See Section 2.3 of the UMLS Reference Manual for more information on terms and term types in the UMLS Metathesaurus.

Sample Data

PT

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CUI AUI LUI SUI SCUI SDUI CODE STR
C0184276 A10986267 L2328404 S2758191 12-678 12-678 12-678 Monitors, Bedside, Respiration, Ventilation/Apnea
C0179030 A10994745 L0216173 S0290294 10-098 10-098 10-098 Ampule Openers
C0180908 A10983747 L0218363 S0292846 10-430 10-430 10-430 Flowmeters, Blood
C0183067 A10993862 L0220860 S0295647 13-425 13-425 13-425 Routers, Bone Cutting
C0183021 A10991301 L0220809 S0295592 13-381 13-381 13-381 Retractors, Eye
C0183668 A10983766 L0221535 S0296390 14-084 14-084 14-084 Stylets, Tracheal Tube
C0039142 A10986310 L0039142 S0090818 13-929 13-929 13-929 Syringes
C0183669 A10982146 L0221536 S0296391 13-839 13-839 13-839 Stylets, Urethral
C0179466 A10988909 L0216686 S0290924 16-412 16-412 16-412 Burnishers

ET

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CUI AUI LUI SUI SCUI SDUI CODE STR
C0740087 A10982921 L0216802 S0294203 -970 12-700 -970 Nasal Oxygen Cannulae
C1740516 A10997953 L6112157 S7022793 20903 20-888 20903 Fire Extinguishers, Foam
C1740248 A10997954 L6111835 S7022659 20902 20-888 20902 Dry Powder Fire Extinguishers
C0972558 A10980478 L2329289 S2757340 -8265 19-304 -8265 Decalcifyers
C0182750 A10995513 L2328121 S6440566 -8259 17-336 -8259 Cytomegalovirus IgM Antibody Determination Reagents
C0973023 A10990536 L2328117 S6440062 -8241 19-455 -8241 Cysticercosis Antibody Determination Reagents
C1738334 A10985519 L6113226 S7021811 22-089 18-567 22-089 Tracking Systems
C1736452 A10988003 L6112944 S7021943 21-460 21-444 21-460 Aeromonas salmonicida Detection/Identification Reagents
C1740572 A10993095 L6112319 S7021495 21-435 21-400 21-435 Root Canal Cement/Paste Carriers, Powered

SY

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CUI AUI LUI SUI SCUI SDUI CODE STR
C0179181 A10982399 L0216355 S0290508 10-239 10-239 10-239 Autotransfusers
C1322948 A10995019 L0219057 S0290770 10-440 10-440 10-440 Blood Lancets
C0180110 A10982407 L0220358 S0293420 16-574 16-574 16-574 Injectables, Radiographic
C0183756 A10984960 L0221636 S0296506 13-914 13-914 13-914 Swabs, Specimen Collecting
C0183675 A10982417 L0216317 S0290466 13-848 13-848 13-848 Aspirating Tips
C0180565 A10992539 L3492915 S4020429 11-359 11-359 11-359 Duodenum Endoscopes
C0010442 A10992547 L0219824 S0294521 11-079 11-079 11-079 Panculdoscopes
C0179901 A10999885 L0217179 S0291476 10-827 10-827 10-827 Chisels, Mastoid
C0179849 A10995076 L0217118 S0290581 10-788 10-788 10-788 Bath Chairs

RT

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CUI AUI LUI SUI SCUI SDUI CODE STR
C0180930 A10994784 L0218390 S0292878 -604 -604 -604 Food Service Equipment
C0181663 A10984706 L1224220 S0293833 -867 -867 -867 Liners
C0179234 A10992234 L0216419 S0290585 -112 -112 -112 Baths, Constant Temperature
C0917957 A10989727 L0217133 S0291423 -289 -289 -289 Chairs, Pneumoencephalographic
C1736508 A10992243 L6111601 S7020257 20-952 20-952 20-952 Nuclear Imaging Systems
C1737528 A10999782 L6111746 S7021764 22-055 22-055 22-055 Tissue Bank Freezers
C1736718 A10997363 L6112068 S7021865 22-040 22-040 22-040 Ultralow Temperature Freezers
C0179628 A10999596 L0216868 S0291122 21-426 21-426 21-426 Carriers, Medical Device
C1738362 A10984729 L2328084 S7022947 -8663 -8663 -8663 Histoplasma capsulatum Antibody Determination Reagents

HT

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CUI AUI LUI SUI SCUI SDUI CODE STR
C0038928 A13073666 L0038928 S0089806 20-976 20-976 20-976 Surgical Instruments
C1742507 A13073656 L6112774 S7020252 21-101 21-101 21-101 Non-Measuring Instruments
C1961790 A13073652 L6739450 S7858295 HT-4111 HT-4111 HT-4111 Implantable Prostheses
C0700030 A13073683 L0079321 S0039860 HT-2508 HT-2508 HT-2508 External Fixators
C0687654 A13073665 L1210559 S1451161 HT-2510 HT-2510 HT-2510 Reusable Devices
C0687655 A13073693 L1210336 S1450845 HT-2513 HT-2513 HT-2513 Technical Aids for the Disabled
C0687656 A13073678 L1210615 S1451236 HT-2590 HT-2590 HT-2590 Radiology/Radiation Therapy Equipment and Supplies
C0687660 A13073682 L1210267 S1450752 HT-2800 HT-2800 HT-2800 Contact Lens Accessories
C0581278 A13073664 L1210693 S1451353 HT-2801 HT-2801 HT-2801 Ophthalmic Implants