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Unified Medical Language System® (UMLS®)

2011AB National Drug Data File Source Information


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Attribute Name Description Count (MRSAT.RRF)
NDC National Drug Code corresponding to a clinical drug (e.g. 000023082503) 176383


  • Attributes included every discrete piece of information about a concept, an atom, or a relationship that is not part of the basic Metathesaurus concept structure or distributed in one of the relationship files.
  • Attribute Names (ATN) are based on source documentation or NLMs understanding of the source.
  • Sample attribute values (ATV) are provided for each ATN in the source.
  • Sample data highlight examples of ATNs and Attribute Values (ATV) in MRSAT.RRF.
  • See Metathesaurus Documentation for a complete list of attribute names.
  • See Section 2.5 of the UMLS Reference Manual for more information on attributes in the UMLS Metathesaurus.

Sample Data


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C0352510 A18744999 L9547662 S11991382 AUI 007617 NDC 00536750128 FLUOCINONIDE 0.05 % TOPICAL OINTMENT (GRAM)
C0687938 A10100297 L1320872 S6786689 AUI 005138 NDC 63874038815 ATENOLOL 100 mg ORAL TABLET
C0688143 A10128781 L1329013 S6808797 AUI 004663 NDC 60760011040 CARISOPRODOL 350 mg ORAL TABLET
C0688236 A10131060 L1327923 S6810390 AUI 003745 NDC 00904397061 CLORAZEPATE DIPOTASSIUM 3.75 mg ORAL TABLET
C0688338 A10130678 L5924170 S6810133 AUI 009509 NDC 00378132201 CIPROFLOXACIN HCL 250 mg ORAL TABLET
C0688351 A10130803 L1332158 S6810215 AUI 016368 NDC 58864083720 CLARITHROMYCIN 500 mg ORAL TABLET
C0688477 A10082635 L5927040 S6773048 AUI 046107 NDC 00182133301 DESIPRAMINE HCL 50 mg ORAL TABLET
C0688669 A10085112 L1833393 S6774867 AUI 015587 NDC 67253038711 DOXAZOSIN MESYLATE 8 mg ORAL TABLET
C0688686 A10085217 L1321374 S6774922 AUI 009223 NDC 11845037603 DOXYCYCLINE HYCLATE 100 mg ORAL TABLET
C0688929 A10089935 L5920842 S6778660 AUI 003691 NDC 00814324428 FLURAZEPAM HCL 15 mg ORAL CAPSULE (HARD, SOFT, ETC.)
C0688929 A10089935 L5920842 S6778660 AUI 003691 NDC 11845020103 FLURAZEPAM HCL 15 mg ORAL CAPSULE (HARD, SOFT, ETC.)
C0689079 A10094835 L1331645 S6782567 AUI 008183 NDC 21695053950 HYDROCHLOROTHIAZIDE 50 mg ORAL TABLET
C0689263 A10097781 L1328637 S6784780 AUI 009416 NDC 55081028900 ISONIAZID 300 mg ORAL TABLET
C0689380 A10100222 L1325271 S6786636 AUI 000389 NDC 49999032130 LISINOPRIL/HYDROCHLOROTHIAZIDE 20 mg-25 mg ORAL TABLET
C0689399 A10100344 L1318705 S6786719 AUI 003758 NDC 58016080373 LORAZEPAM 1 mg ORAL TABLET
C0689615 A10102983 L5921027 S6788667 AUI 000267 NDC 55045363401 MEXILETINE HCL 150 mg ORAL CAPSULE (HARD, SOFT, ETC.)
C0689767 A10106107 L5922791 S6791058 AUI 000569 NDC 00536406703 NIFEDIPINE 20 mg ORAL CAPSULE (HARD, SOFT, ETC.)
C0689865 A10107758 L5918232 S6792252 AUI 003769 NDC 54868134100 OXAZEPAM 10 mg ORAL CAPSULE (HARD, SOFT, ETC.)
C0689946 A10109302 L5923211 S6793460 AUI 009478 NDC 55887082720 PHENAZOPYRIDINE HCL 200 mg ORAL TABLET

Last Reviewed: April 4, 2012