| Attribute Type | Expanded Form | Count |
| RXCUI | RxNorm concept identifier for the atom this is connected to | 1116358 |
| RXAUI | RxNorm atom identifier for the atom it is connected to | 1116358 |
| NDC | National Drug Code corresponding to a clinical drug (e.g. 000023082503) | 245331 |
| RXN_OBSOLETED | Date the RxNorm atom became obsolete | 80774 |
| RXN_BOSS_FROM | RXN Boss From | 64781 |
| RXN_AM | RXCUI of BOSS Active Moiety preceded by RXCUI of SCDC responsible for value | 64781 |
| RXN_AI | RXCUI of BOSS Active Ingredient preceded by RXCUI of SCDC responsible for value | 64781 |
| RXN_AVAILABLE_STRENGTH | Available drug strengths listed in the order of ingredients from the drug | 51540 |
| RXTERM_FORM | The RxTerm dose form name for this drug | 47041 |
| RXN_STRENGTH | Strength plus unit of SCDC | 27248 |
| RXN_HUMAN_DRUG | Drug available for use in Humans | 23025 |
| RXN_BOSS_STRENGTH_NUM_UNIT | RXN Boss Strength Num Unit | 14711 |
| RXN_BOSS_STRENGTH_DENOM_VALUE | RXN Boss Strength Denom Value | 14711 |
| RXN_BOSS_STRENGTH_DENOM_UNIT | RXN Boss Strength Denom Unit | 14711 |
| RXN_BOSS_STRENGTH_NUM_VALUE | RXN Boss Strength Num Value | 14711 |
| RXN_BN_CARDINALITY | Cardinality of RxNorm Brand Name Atom | 11272 |
| AMBIGUITY_FLAG | Source atom ambiguity flag | 8605 |
| RXN_ACTIVATED | Date the RxNorm atom was reactivated | 6192 |
| RXN_QUANTITY | Normal Form quantity factor | 5972 |
| RXN_IN_EXPRESSED_FLAG | Strength Expressed As Precise Flag | 4123 |
| RXN_VET_DRUG | Drug available for use in animals | 1852 |
| RXN_QUALITATIVE_DISTINCTION | RXN Qualitative Distinction | 323 |
| ORIG_SOURCE | Original source associated with this string | 134 |
| ORIG_CODE | Original code associated with this string | 134 |
| Relation Name/Additional Label | Expanded Form | Count |
| SY/ | source asserted synonymy./Empty relationship attribute | 1089828 |
| RB/inverse_isa | has a broader relationship/Inverse is a | 201099 |
| RN/isa | has a narrower relationship/Is a | 201099 |
| RO/ingredient_of | has relationship other than synonymous, narrower, or broader/Ingredient of | 151788 |
| RO/has_ingredient | has relationship other than synonymous, narrower, or broader/Has ingredient | 151788 |
| RO/constitutes | has relationship other than synonymous, narrower, or broader/Constitutes | 110101 |
| RO/consists_of | has relationship other than synonymous, narrower, or broader/Consists of | 110101 |
| RN/tradename_of | has a narrower relationship/Tradename of | 100546 |
| RB/has_tradename | has a broader relationship/Has tradename | 100546 |
| RO/dose_form_of | has relationship other than synonymous, narrower, or broader/Dose form of | 90122 |
| RO/has_dose_form | has relationship other than synonymous, narrower, or broader/Has dose form | 90122 |
| RO/doseformgroup_of | has relationship other than synonymous, narrower, or broader/Dose form group of | 35244 |
| RO/has_doseformgroup | has relationship other than synonymous, narrower, or broader/Has dose form group | 35244 |
| RO/ingredients_of | has relationship other than synonymous, narrower, or broader/Ingredients of | 11496 |
| RO/has_ingredients | has relationship other than synonymous, narrower, or broader/Has ingredients | 11496 |
| RO/part_of | has relationship other than synonymous, narrower, or broader/Part of | 10388 |
| RO/has_part | has relationship other than synonymous, narrower, or broader/Has part | 10388 |
| RB/precise_ingredient_of | has a broader relationship/Precise ingredient of | 6465 |
| RN/has_precise_ingredient | has a narrower relationship/Has precise ingredient | 6465 |
| RO/includes | has relationship other than synonymous, narrower, or broader/includes | 6171 |
| RO/included_in | has relationship other than synonymous, narrower, or broader/included_in | 6171 |
| RB/has_quantified_form | has a broader relationship/Has quantified form | 5753 |
| RN/quantified_form_of | has a narrower relationship/Quantified form of | 5753 |
| RO/precise_ingredient_of | has relationship other than synonymous, narrower, or broader/Precise ingredient of | 4724 |
| RO/has_precise_ingredient | has relationship other than synonymous, narrower, or broader/Has precise ingredient | 4724 |
| RN/form_of | has a narrower relationship/Form of | 3295 |
| RB/has_form | has a broader relationship/Has form | 3295 |
| RB/contained_in | has a broader relationship/Contained in | 2764 |
| RN/contains | has a narrower relationship/Contains | 2764 |
| RO/reformulation_of | has relationship other than synonymous, narrower, or broader/Reformulation of | 55 |
| RO/reformulated_to | has relationship other than synonymous, narrower, or broader/Reformulated to | 55 |
