Amfepramone hydrochloride
RxNorm 81998

Concept Hierarchy & Relationship Mapping

RxNorm Concept Unique Identifier (RxCUI) 81998 represents a standardized clinical drug concept used for cross-system interoperability. This concept aggregates multiple Atom IDs (AUIs), which are specific naming variations and synonyms used across pharmaceutical databases to ensure accurate medication mapping for: Amfepramone hydrochloride.

The following semantic concepts and normalized strings are associated with this clinical entity:

SY
Amfepramone hydrochloride
AUI:10796365
View
FN
Amfepramone hydrochloride (substance)
AUI:9248618
View
PIN
Diethylpropion hydrochloride
AUI:12256533
View
PT
Diethylpropion hydrochloride
AUI:669824
View

This clinical crossover tool is designed for healthcare professionals, pharmacists, and data analysts to safely compare substitute products and manage medication interoperability.

SYPrescribable

Synonym (SY):
Amfepramone hydrochloride
(Atom ID: 10796365)

Clinical Status & Identity

Prescribable Status
YES (Active)
Part of the RxNorm Current Prescribable Content subset including all drugs available for prescription in the USA.
Concept Description
Amfepramone hydrochloride
Official description of the drug concept as defined in the source vocabulary.
Suppress Flag
N
N: Not suppressible | O: Obsolete | Y: Suppressed by editor | E: Unquantified non-prescribable drug.

Interoperability & Coding

Concept ID (RxCUI)
81998
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
10796365
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SY
Synonym (Synonym of another TTY, given for clarity.)
Source Code
37765000
The "Most useful" identifier asserted by the original source vocabulary.

Source & Registry Data

Source Name
US Edition of SNOMED CT (SNOMEDCT_US)
The official name and abbreviation for the vocabulary source.
Source Version
2026_01_31
The specific version of the vocabulary provided by the source.
Update Date
June 01, 2026
The date when this RxNorm data was last updated by the NLM.
License Contact
National Library Of Medicine, NLM is a Charter Member of SNOMED International on behalf of the U.S., National Library of Medicine, 8600 Rockville Pike, , Bethesda, MD, United States, 20894, 1-888-FIND-NLM (1-888-346-3656), , https://support.nlm.nih.gov/support/create-case/,
Source licensing contact information.
UNII Crosswalk
19V2PL39NG - DIETHYLPROPION HYDROCHLORIDE (INGREDIENT SUBSTANCE)
RxNorm to Unique Ingredient Identifier crosswalk.
FNPrescribable

Full form of descriptor (FN):
Amfepramone hydrochloride (substance)
(Atom ID: 9248618)

Clinical Status & Identity

Prescribable Status
YES (Active)
Part of the RxNorm Current Prescribable Content subset including all drugs available for prescription in the USA.
Concept Description
Amfepramone hydrochloride (substance)
Official description of the drug concept as defined in the source vocabulary.
Suppress Flag
N
N: Not suppressible | O: Obsolete | Y: Suppressed by editor | E: Unquantified non-prescribable drug.

Interoperability & Coding

Concept ID (RxCUI)
81998
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
9248618
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
FN
Full form of descriptor ()
Source Code
37765000
The "Most useful" identifier asserted by the original source vocabulary.

Source & Registry Data

Source Name
US Edition of SNOMED CT (SNOMEDCT_US)
The official name and abbreviation for the vocabulary source.
Source Version
2026_01_31
The specific version of the vocabulary provided by the source.
Update Date
June 01, 2026
The date when this RxNorm data was last updated by the NLM.
License Contact
National Library Of Medicine, NLM is a Charter Member of SNOMED International on behalf of the U.S., National Library of Medicine, 8600 Rockville Pike, , Bethesda, MD, United States, 20894, 1-888-FIND-NLM (1-888-346-3656), , https://support.nlm.nih.gov/support/create-case/,
Source licensing contact information.
UNII Crosswalk
19V2PL39NG - DIETHYLPROPION HYDROCHLORIDE (INGREDIENT SUBSTANCE)
RxNorm to Unique Ingredient Identifier crosswalk.
PINPrescribable

Precise Ingredient (PIN):
Diethylpropion hydrochloride
(Atom ID: 12256533)

Clinical Status & Identity

Prescribable Status
YES (Active)
Part of the RxNorm Current Prescribable Content subset including all drugs available for prescription in the USA.
Concept Description
diethylpropion hydrochloride
Official description of the drug concept as defined in the source vocabulary.
Suppress Flag
N
N: Not suppressible | O: Obsolete | Y: Suppressed by editor | E: Unquantified non-prescribable drug.

Interoperability & Coding

Concept ID (RxCUI)
81998
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
12256533
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
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.)
Source Code
81998
The "Most useful" identifier asserted by the original source vocabulary.

Source & Registry Data

Source Name
RxNorm Vocabulary (RXNORM)
The official name and abbreviation for the vocabulary source.
Source Version
20AA_260601F
The specific version of the vocabulary provided by the source.
Update Date
June 01, 2026
The date when this RxNorm data was last updated by the NLM.
License Contact
RxNorm Customer Service, , U.S. National Library of Medicine, 8600 Rockville Pike, , Bethesda, MD, United States, 20894, (888) FIND-NLM, , https://support.nlm.nih.gov/support/create-case/, https://www.nlm.nih.gov/research/umls/rxnorm/
Source licensing contact information.
UNII Crosswalk
19V2PL39NG - DIETHYLPROPION HYDROCHLORIDE (INGREDIENT SUBSTANCE)
RxNorm to Unique Ingredient Identifier crosswalk.
PTPrescribable

Designated preferred name (PT):
Diethylpropion hydrochloride
(Atom ID: 669824)

Clinical Status & Identity

Prescribable Status
YES (Active)
Part of the RxNorm Current Prescribable Content subset including all drugs available for prescription in the USA.
Concept Description
Diethylpropion hydrochloride
Official description of the drug concept as defined in the source vocabulary.
Suppress Flag
N
N: Not suppressible | O: Obsolete | Y: Suppressed by editor | E: Unquantified non-prescribable drug.

Interoperability & Coding

Concept ID (RxCUI)
81998
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
669824
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
PT
Designated preferred name ()
Source Code
37765000
The "Most useful" identifier asserted by the original source vocabulary.

Source & Registry Data

Source Name
US Edition of SNOMED CT (SNOMEDCT_US)
The official name and abbreviation for the vocabulary source.
Source Version
2026_01_31
The specific version of the vocabulary provided by the source.
Update Date
June 01, 2026
The date when this RxNorm data was last updated by the NLM.
License Contact
National Library Of Medicine, NLM is a Charter Member of SNOMED International on behalf of the U.S., National Library of Medicine, 8600 Rockville Pike, , Bethesda, MD, United States, 20894, 1-888-FIND-NLM (1-888-346-3656), , https://support.nlm.nih.gov/support/create-case/,
Source licensing contact information.
UNII Crosswalk
19V2PL39NG - DIETHYLPROPION HYDROCHLORIDE (INGREDIENT SUBSTANCE)
RxNorm to Unique Ingredient Identifier crosswalk.

Patient Education

Diethylpropion


Diethylpropion decreases appetite. It is used on a short-term basis (a few weeks), in combination with diet, to help you lose weight. This medication is sometimes prescribed for other uses; ask your doctor or pharmacist for more information.
[Learn More]


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