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  4. RxCUI 235991

RxNorm 235991

anhydrous tacrolimus

Table of Contents

  1. Atom 12256604 - (PIN)
  2. Atom 12821834 - (PT)
  3. Atom 12821835 - (FN)

RxNorm Semantic Concepts

RxNorm semantic concepts for the RxCUI 235991 unique identifier include: anhydrous tacrolimus (12256604), Tacrolimus anhydrous (12821834) and Tacrolimus anhydrous (substance) (12821835).

RxNorm Atom ID: 12256604 - Precise Ingredient
anhydrous tacrolimus

RXCUI:
235991 - RxNorm Unique Identifier for a concept (Concept ID)
LAT:
ENG - Language of the Term
RXAUI:
12256604 - Unique identifier for the atom (RxNorm Atom ID)
Is Prescribable?
YES - This drug is part of the RxNorm Current Prescribable Content, a subset of RxNorm that includes all drugs available for prescription in the United States. The Current Prescribable subset also includes over-the-counter drugs.
Concept Description:
anhydrous tacrolimus - Description of concept identifier
Term Type (TTY):
PIN - Term type in source with name and description
Term Type Name:
Precise Ingredient - Name of term type in source
Term Type Description:
A specified form of the ingredient that may or may not be clinically active. Most precise ingredients are salt or isomer forms. - Description of term type in source
Code:
235991 - "Most useful" source asserted identifier. If the source vocabulary has more than one identifier, or a RxNorm-generated source entry identifier. (if the source vocabulary has none.)
Suppress Flag:
N
Suppressible flag. Values = N, O, Y, or E. N - not suppressible. O - Specific individual names (atoms) set as Obsolete because the name is no longer provided by the original source. Y - Suppressed by RxNorm editor. E - unquantified, non-prescribable drug with related quantified, prescribable drugs. NLM strongly recommends that users not alter editor-assigned suppressibility.
CVF:
4096 - Content view flag. RxNorm includes one value, '4096', to denote inclusion in the Current Prescribable Content subset. All rows with CVF='4096' can be found in the subset.
RxNorm to UNII Crosswalk:
Y5L2157C4J - TACROLIMUS ANHYDROUS (INGREDIENT SUBSTANCE) - RxNorm to UNII (Unique Ingredient Identifier) Crosswalk
Source:
RXNORM - Concept source abbreviation
Source Name:
RxNorm Vocabulary - The official name for a source
Source Version:
20AA_250902F - The source version
Source Date:
September 02, 2025 - RxNorm data last updated
Source License Contact:
RxNorm Customer Service

U.S. National Library of Medicine
8600 Rockville Pike

Bethesda
MD
United States
20894
(888) FIND-NLM

[email protected]
https://www.nlm.nih.gov/research/umls/rxnorm/ - The source license contact information
Source Content Contact:
RxNorm Customer Service

U.S. National Library of Medicine
8600 Rockville Pike

Bethesda
MD
United States
20894
(888) FIND-NLM

[email protected]
https://www.nlm.nih.gov/research/umls/rxnorm/ - The source content contact information
Source Short Name:
RxNorm work done by the National Library of Medicine - The short name of a source as used by the NLM Knowledge Source Server

RxNorm Atom ID: 12821834 - Designated preferred name
Tacrolimus anhydrous

RXCUI:
235991 - RxNorm Unique Identifier for a concept (Concept ID)
LAT:
ENG - Language of the Term
RXAUI:
12821834 - Unique identifier for the atom (RxNorm Atom ID)
Is Prescribable?
YES - This drug is part of the RxNorm Current Prescribable Content, a subset of RxNorm that includes all drugs available for prescription in the United States. The Current Prescribable subset also includes over-the-counter drugs.
Concept Description:
Tacrolimus anhydrous - Description of concept identifier
Term Type (TTY):
PT - Term type in source with name and description
Term Type Name:
Designated preferred name - Name of term type in source
Term Type Description:
- Description of term type in source
Code:
1269093001 - "Most useful" source asserted identifier. If the source vocabulary has more than one identifier, or a RxNorm-generated source entry identifier. (if the source vocabulary has none.)
Suppress Flag:
N
Suppressible flag. Values = N, O, Y, or E. N - not suppressible. O - Specific individual names (atoms) set as Obsolete because the name is no longer provided by the original source. Y - Suppressed by RxNorm editor. E - unquantified, non-prescribable drug with related quantified, prescribable drugs. NLM strongly recommends that users not alter editor-assigned suppressibility.
CVF:
- Content view flag. RxNorm includes one value, '4096', to denote inclusion in the Current Prescribable Content subset. All rows with CVF='4096' can be found in the subset.
RxNorm to UNII Crosswalk:
Y5L2157C4J - TACROLIMUS ANHYDROUS (INGREDIENT SUBSTANCE) - RxNorm to UNII (Unique Ingredient Identifier) Crosswalk
Source:
SNOMEDCT_US - Concept source abbreviation
Source Name:
US Edition of SNOMED CT - The official name for a source
Source Version:
2025_07_31 - The source version
Source Date:
September 02, 2025 - RxNorm data last updated
Source 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/
- The source license contact information
Source Content 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/
- The source content contact information
Source Short Name:
US Edition of SNOMED CT - The short name of a source as used by the NLM Knowledge Source Server

RxNorm Atom ID: 12821835 - Full form of descriptor
Tacrolimus anhydrous (substance)

RXCUI:
235991 - RxNorm Unique Identifier for a concept (Concept ID)
LAT:
ENG - Language of the Term
RXAUI:
12821835 - Unique identifier for the atom (RxNorm Atom ID)
Is Prescribable?
YES - This drug is part of the RxNorm Current Prescribable Content, a subset of RxNorm that includes all drugs available for prescription in the United States. The Current Prescribable subset also includes over-the-counter drugs.
Concept Description:
Tacrolimus anhydrous (substance) - Description of concept identifier
Term Type (TTY):
FN - Term type in source with name and description
Term Type Name:
Full form of descriptor - Name of term type in source
Term Type Description:
- Description of term type in source
Code:
1269093001 - "Most useful" source asserted identifier. If the source vocabulary has more than one identifier, or a RxNorm-generated source entry identifier. (if the source vocabulary has none.)
Suppress Flag:
N
Suppressible flag. Values = N, O, Y, or E. N - not suppressible. O - Specific individual names (atoms) set as Obsolete because the name is no longer provided by the original source. Y - Suppressed by RxNorm editor. E - unquantified, non-prescribable drug with related quantified, prescribable drugs. NLM strongly recommends that users not alter editor-assigned suppressibility.
CVF:
- Content view flag. RxNorm includes one value, '4096', to denote inclusion in the Current Prescribable Content subset. All rows with CVF='4096' can be found in the subset.
RxNorm to UNII Crosswalk:
Y5L2157C4J - TACROLIMUS ANHYDROUS (INGREDIENT SUBSTANCE) - RxNorm to UNII (Unique Ingredient Identifier) Crosswalk
Source:
SNOMEDCT_US - Concept source abbreviation
Source Name:
US Edition of SNOMED CT - The official name for a source
Source Version:
2025_07_31 - The source version
Source Date:
September 02, 2025 - RxNorm data last updated
Source 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/
- The source license contact information
Source Content 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/
- The source content contact information
Source Short Name:
US Edition of SNOMED CT - The short name of a source as used by the NLM Knowledge Source Server

* This product uses publicly available data courtesy of the U.S. National Library of Medicine (NLM), National Institutes of Health, Department of Health and Human Services; NLM is not responsible for the product and does not endorse or recommend this or any other product.