Hyaluronidase / trastuzumab Injection [Herceptin Hylecta]
RxNorm 2119717

Concept Hierarchy & Relationship Mapping

RxNorm Concept Unique Identifier (RxCUI) 2119717 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: hyaluronidase / trastuzumab Injection [Herceptin Hylecta].

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

SBDF
Hyaluronidase / trastuzumab Injection [Herceptin Hylecta]
AUI:12320661
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This clinical crossover tool is designed for healthcare professionals, pharmacists, and data analysts to safely compare substitute products and manage medication interoperability.

SBDFPrescribable

Semantic Branded Drug Form (SBDF):
Hyaluronidase / trastuzumab Injection [Herceptin Hylecta]
(Atom ID: 12320661)

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
hyaluronidase / trastuzumab Injection [Herceptin Hylecta]
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)
2119717
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
12320661
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SBDF
Semantic Branded Drug Form (Ingredient + Dose Form + Brand Name)
Source Code
2119717
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.

Patient Education

Trastuzumab and Hyaluronidase-oysk Injection


Trastuzumab and hyaluronidase-oysk injection is used along with other medications or after other medications have already been used to treat a certain type of breast cancer that has spread to other parts of the body. Trastuzumab and hyaluronidase-oysk injection is also used during and after treatment with other medications to decrease the chance that a certain type of breast cancer will return. Trastuzumab and hyaluronidase-oysk injection is in a class of medications called monoclonal antibodies. It works by stopping the growth of cancer cells.
[Learn More]


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