| Attribute Type | Expanded Form | Count |
| RXCUI | RxNorm concept identifier for the atom this is connected to | 1135529 |
| RXAUI | RxNorm atom identifier for the atom it is connected to | 1135529 |
| NDC | National Drug Code corresponding to a clinical drug (e.g. 000023082503) | 238681 |
| RXN_OBSOLETED | Date the RxNorm atom became obsolete | 85482 |
| RXN_AVAILABLE_STRENGTH | Available drug strengths listed in the order of ingredients from the drug | 56527 |
| RXTERM_FORM | The RxTerm dose form name for this drug | 47499 |
| RXN_STRENGTH | Strength plus unit of SCDC | 27080 |
| RXN_HUMAN_DRUG | Drug available for use in Humans | 24635 |
| RXN_ACTIVATED | Date the RxNorm atom was reactivated | 12327 |
| RXN_BN_CARDINALITY | Cardinality of RxNorm Brand Name Atom | 12066 |
| AMBIGUITY_FLAG | Source atom ambiguity flag | 8076 |
| RXN_QUANTITY | Normal Form quantity factor | 5235 |
| RXN_IN_EXPRESSED_FLAG | Strength Expressed As Precise Flag | 3536 |
| RXN_VET_DRUG | Drug available for use in animals | 1790 |
| RXN_QUALITATIVE_DISTINCTION | RXN Qualitative Distinction | 221 |
| ORIG_SOURCE | Original source associated with this string | 136 |
| ORIG_CODE | Original code associated with this string | 136 |
| Relation Name/Additional Label | Expanded Form | Count |
| SY/ | source asserted synonymy./Empty relationship attribute | 1068066 |
| RB/inverse_isa | has a broader relationship/Inverse is a | 203913 |
| RN/isa | has a narrower relationship/Is a | 203913 |
| RO/has_ingredient | has relationship other than synonymous, narrower, or broader/Has ingredient | 157091 |
| RO/ingredient_of | has relationship other than synonymous, narrower, or broader/Ingredient of | 157091 |
| RO/consists_of | has relationship other than synonymous, narrower, or broader/Consists of | 110903 |
| RO/constitutes | has relationship other than synonymous, narrower, or broader/Constitutes | 110903 |
| RB/has_tradename | has a broader relationship/Has tradename | 106541 |
| RN/tradename_of | has a narrower relationship/Tradename of | 106541 |
| RO/has_dose_form | has relationship other than synonymous, narrower, or broader/Has dose form | 90168 |
| RO/dose_form_of | has relationship other than synonymous, narrower, or broader/Dose form of | 90168 |
| RO/doseformgroup_of | has relationship other than synonymous, narrower, or broader/Dose form group of | 37351 |
| RO/has_doseformgroup | has relationship other than synonymous, narrower, or broader/Has dose form group | 37351 |
| RO/has_ingredients | has relationship other than synonymous, narrower, or broader/Has ingredients | 11756 |
| RO/ingredients_of | has relationship other than synonymous, narrower, or broader/Ingredients of | 11756 |
| RO/has_part | has relationship other than synonymous, narrower, or broader/Has part | 10975 |
| RO/part_of | has relationship other than synonymous, narrower, or broader/Part of | 10975 |
| RN/has_precise_ingredient | has a narrower relationship/Has precise ingredient | 6679 |
| RB/precise_ingredient_of | has a broader relationship/Precise ingredient of | 6679 |
| RO/includes | has relationship other than synonymous, narrower, or broader/includes | 5769 |
| RO/included_in | has relationship other than synonymous, narrower, or broader/included_in | 5769 |
| RB/has_quantified_form | has a broader relationship/Has quantified form | 5076 |
| RN/quantified_form_of | has a narrower relationship/Quantified form of | 5076 |
| RO/has_precise_ingredient | has relationship other than synonymous, narrower, or broader/Has precise ingredient | 4071 |
| RO/precise_ingredient_of | has relationship other than synonymous, narrower, or broader/Precise ingredient of | 4071 |
| RB/has_form | has a broader relationship/Has form | 2743 |
| RN/form_of | has a narrower relationship/Form of | 2743 |
| RN/contains | has a narrower relationship/Contains | 2220 |
| RB/contained_in | has a broader relationship/Contained in | 2220 |
| RO/reformulated_to | has relationship other than synonymous, narrower, or broader/Reformulated to | 101 |
| RO/reformulation_of | has relationship other than synonymous, narrower, or broader/Reformulation of | 101 |
