Erythromycin 0.5 % (5 mg/GM) Ophthalmic Ointment
RxNorm 310149

Concept Hierarchy & Relationship Mapping

RxNorm Concept Unique Identifier (RxCUI) 310149 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: erythromycin 0.5 % (5 mg/GM) Ophthalmic Ointment.

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

SCD
Erythromycin 0.005 mg/MG Ophthalmic Ointment
Primary clinical definition
AUI:12339032
View
PSN
Erythromycin 0.5 % (5 mg/GM) Ophthalmic Ointment
AUI:6387196
View
SY
Erythromycin 0.5 % Ophthalmic Ointment
AUI:3071966
View
SY
Erythromycin 5 mg per GM Ophthalmic Ointment
AUI:4613681
View
PT
Erythromycin 5 mg/g eye ointment
AUI:12725750
View
FN
Product containing precisely erythromycin 5 mg/1 gram conventional release eye ointment (clinical drug)
AUI:12727205
View

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

SCDPrescribable

Semantic Clinical Drug (SCD):
Erythromycin 0.005 mg/MG Ophthalmic Ointment
(Atom ID: 12339032)

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
erythromycin 0.005 MG/MG Ophthalmic Ointment
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)
310149
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
12339032
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SCD
Semantic Clinical Drug (Ingredient + Strength + Dose Form)
Source Code
310149
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.

Technical Attributes & Logic

RXN AI
{328349} 4053
RXCUI of BOSS Active Ingredient preceded by RXCUI of SCDC responsible for value
RXN AM
{328349} 4053
RXCUI of BOSS Active Moiety preceded by RXCUI of SCDC responsible for value
RXN AVAILABLE STRENGTH
0.005 MG/MG
Available drug strengths listed in the order of ingredients from the drug
RXN BOSS FROM
{328349} AI
Source of BOSS as either from the active ingredient (AI) or the active moiety (AM) preceded by RXCUI of SCDC responsible for value
RXN HUMAN DRUG
US
Drug available for use in Humans
RXTERM FORM
Ointment
The RxTerm dose form name for this drug
PSNPrescribable

Prescribable Name (PSN):
Erythromycin 0.5 % (5 mg/GM) Ophthalmic Ointment
(Atom ID: 6387196)

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
erythromycin 0.5 % (5 MG/GM) Ophthalmic Ointment
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)
310149
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
6387196
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
PSN
Prescribable Name (Synonym of another TTY, given for clarity and for display purposes in electronic prescribing applications. Only one PSN per concept.)
Source Code
310149
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.
SYPrescribable

Synonym (SY):
Erythromycin 0.5 % Ophthalmic Ointment
(Atom ID: 3071966)

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
erythromycin 0.5 % Ophthalmic Ointment
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)
310149
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
3071966
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SY
Synonym (Synonym of another TTY, given for clarity.)
Source Code
310149
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.
SYPrescribable

Synonym (SY):
Erythromycin 5 mg per GM Ophthalmic Ointment
(Atom ID: 4613681)

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
erythromycin 5 MG per GM Ophthalmic Ointment
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)
310149
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
4613681
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SY
Synonym (Synonym of another TTY, given for clarity.)
Source Code
310149
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.
PTPrescribable

Designated preferred name (PT):
Erythromycin 5 mg/g eye ointment
(Atom ID: 12725750)

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
Erythromycin 5 mg/g eye ointment
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)
310149
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
12725750
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
PT
Designated preferred name ()
Source Code
1193837001
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.
FNPrescribable

Full form of descriptor (FN):
Product containing precisely erythromycin 5 mg/1 gram conventional release eye ointment (clinical drug)
(Atom ID: 12727205)

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
Product containing precisely erythromycin 5 milligram/1 gram conventional release eye ointment (clinical drug)
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)
310149
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
12727205
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
FN
Full form of descriptor ()
Source Code
1193837001
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.

Patient Education

Erythromycin Ophthalmic


Ophthalmic erythromycin is used to treat bacterial infections of the eye. This medication is also used to prevent bacterial infections of the eye in newborn babies. Erythromycin is in a class of medications called macrolide antibiotics. It works by killing bacteria that cause infections.
[Learn More]


* Please review the disclaimer below.