| Attribute Type | Expanded Form | Count |
| RXCUI | RxNorm concept identifier for the atom this is connected to | 1118866 |
| RXAUI | RxNorm atom identifier for the atom it is connected to | 1118866 |
| NDC | National Drug Code corresponding to a clinical drug (e.g. 000023082503) | 229972 |
| RXN_OBSOLETED | Date the RxNorm atom became obsolete | 83568 |
| RXN_AVAILABLE_STRENGTH | Available drug strengths listed in the order of ingredients from the drug | 56795 |
| RXTERM_FORM | The RxTerm dose form name for this drug | 47288 |
| RXN_STRENGTH | Strength plus unit of SCDC | 26955 |
| RXN_HUMAN_DRUG | Drug available for use in Humans | 24685 |
| RXN_BN_CARDINALITY | Cardinality of RxNorm Brand Name Atom | 12003 |
| RXN_ACTIVATED | Date the RxNorm atom was reactivated | 11914 |
| AMBIGUITY_FLAG | Source atom ambiguity flag | 8031 |
| RXN_QUANTITY | Normal Form quantity factor | 5114 |
| RXN_IN_EXPRESSED_FLAG | Strength Expressed As Precise Flag | 3517 |
| RXN_VET_DRUG | Drug available for use in animals | 1788 |
| RXN_QUALITATIVE_DISTINCTION | RXN Qualitative Distinction | 191 |
| 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 | 1046286 |
| RB/inverse_isa | has a broader relationship/Inverse is a | 202670 |
| RN/isa | has a narrower relationship/Is a | 202670 |
| RO/has_ingredient | has relationship other than synonymous, narrower, or broader/Has ingredient | 156281 |
| RO/ingredient_of | has relationship other than synonymous, narrower, or broader/Ingredient of | 156281 |
| RO/constitutes | has relationship other than synonymous, narrower, or broader/Constitutes | 110125 |
| RO/consists_of | has relationship other than synonymous, narrower, or broader/Consists of | 110125 |
| RB/has_tradename | has a broader relationship/Has tradename | 105885 |
| RN/tradename_of | has a narrower relationship/Tradename of | 105885 |
| RO/dose_form_of | has relationship other than synonymous, narrower, or broader/Dose form of | 89577 |
| RO/has_dose_form | has relationship other than synonymous, narrower, or broader/Has dose form | 89577 |
| RO/has_doseformgroup | has relationship other than synonymous, narrower, or broader/Has dose form group | 37181 |
| RO/doseformgroup_of | has relationship other than synonymous, narrower, or broader/Dose form group of | 37181 |
| RO/ingredients_of | has relationship other than synonymous, narrower, or broader/Ingredients of | 11685 |
| RO/has_ingredients | has relationship other than synonymous, narrower, or broader/Has ingredients | 11685 |
| RO/has_part | has relationship other than synonymous, narrower, or broader/Has part | 10923 |
| RO/part_of | has relationship other than synonymous, narrower, or broader/Part of | 10923 |
| RB/precise_ingredient_of | has a broader relationship/Precise ingredient of | 6633 |
| RN/has_precise_ingredient | has a narrower relationship/Has precise ingredient | 6633 |
| RO/includes | has relationship other than synonymous, narrower, or broader/includes | 5736 |
| RO/included_in | has relationship other than synonymous, narrower, or broader/included_in | 5736 |
| RN/quantified_form_of | has a narrower relationship/Quantified form of | 4975 |
| RB/has_quantified_form | has a broader relationship/Has quantified form | 4975 |
| RO/precise_ingredient_of | has relationship other than synonymous, narrower, or broader/Precise ingredient of | 4049 |
| RO/has_precise_ingredient | has relationship other than synonymous, narrower, or broader/Has precise ingredient | 4049 |
| RN/form_of | has a narrower relationship/Form of | 2700 |
| RB/has_form | has a broader relationship/Has form | 2700 |
| RN/contains | has a narrower relationship/Contains | 2175 |
| RB/contained_in | has a broader relationship/Contained in | 2175 |
| RO/reformulation_of | has relationship other than synonymous, narrower, or broader/Reformulation of | 99 |
| RO/reformulated_to | has relationship other than synonymous, narrower, or broader/Reformulated to | 99 |
