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Unified Medical Language System® (UMLS®)

Appendix 5 - RxNorm Term Types (TTY)

SAB=RXNORM uses term types (TTYs) to indicate generic and branded drug names at different levels of specificity. The following table includes the full list of SAB=RXNORM term types.

TTYNameDescriptionExample
IN Ingredient A compound or moiety that gives the drug its distinctive clinical properties. Ingredients generally use the United States Adopted Name (USAN). Fluoxetine
PIN Precise Ingredient A specified form of the ingredient that may or may not be clinically active. Most precise ingredients are salt or isomer forms. Fluoxetine Hydrochloride
MIN Multiple Ingredients Two or more ingredients appearing together in a single drug preparation, created from SCDF. In rare cases when IN/PIN or PIN/PIN combinations of the same base ingredient exist, created from SCD. Fluoxetine / Olanzapine
SCDC Semantic Clinical Drug Component Ingredient + Strength Fluoxetine 4 MG/ML
SCDF Semantic Clinical Drug Form Ingredient + Dose Form Fluoxetine Oral Solution
SCDG Semantic Clinical Dose Form Group Ingredient + Dose Form Group Fluoxetine Oral Product
SCD Semantic Clinical Drug Ingredient + Strength + Dose Form Fluoxetine 4 MG/ML Oral Solution
GPCK Generic Pack {# (Ingredient + Strength + Dose Form) / # (Ingredient + Strength + Dose Form)} Pack {11 (varenicline 0.5 MG Oral Tablet) / 42 (varenicline 1 MG Oral Tablet) } Pack
BN Brand Name A proprietary name for a family of products containing a specific active ingredient. Prozac
SBDC Semantic Branded Drug Component Ingredient + Strength + Brand Name Fluoxetine 4 MG/ML [Prozac]
SBDF Semantic Branded Drug Form Ingredient + Dose Form + Brand Name Fluoxetine Oral Solution [Prozac]
SBDG Semantic Branded Dose Form Group Brand Name + Dose Form Group Prozac Pill
SBD Semantic Branded Drug Ingredient + Strength + Dose Form + Brand Name Fluoxetine 4 MG/ML Oral Solution [Prozac]
BPCK Brand Name Pack {# (Ingredient Strength Dose Form) / # (Ingredient Strength Dose Form)} Pack [Brand Name] {12 (Ethinyl Estradiol 0.035 MG / Norethindrone 0.5 MG Oral Tablet) / 9 (Ethinyl Estradiol 0.035 MG / Norethindrone 1 MG Oral Tablet) / 7 (Inert Ingredients 1 MG Oral Tablet) } Pack [Leena 28 Day]
PSN Prescribable Name Synonym of another TTY, given for clarity and for display purposes in electronic prescribing applications. Only one PSN per concept. Leena 28 Day Pack
SY Synonym Synonym of another TTY, given for clarity. Prozac 4 MG/ML Oral Solution
TMSY Tall Man Lettering Synonym Tall Man Lettering synonym of another TTY, given to distinguish between commonly confused drugs. FLUoxetine 10 MG Oral Capsule [PROzac]
DF Dose Form See Appendix 2 for a full list of Dose Forms. Oral Solution
ET Dose Form Entry Term Entry terms for dose forms (TTY=DF). Nasal Drops
DFG Dose Form Group See Appendix 3 for a full list of Dose Form Groups. Oral Liquid