UMLS · { · C1968308

C1968308

{7 (ethinyl estradiol 0.025 MG / norgestimate 0.18 MG Oral Tablet) / 7 (ethinyl estradiol 0.025 MG / norgestimate 0.215 MG Oral Tablet) / 7 (ethinyl estradiol 0.025 MG / norgestimate 0.25 MG Oral Tablet) / 7 (inert ingredients 1 MG Oral Tablet) } Pack

Concept

CUIC1968308

Preferred{7 (ethinyl estradiol 0.025 MG / norgestimate 0.18 MG Oral Tablet) / 7 (ethinyl estradiol 0.025 MG / norgestimate 0.215 MG Oral Tablet) / 7 (ethinyl estradiol 0.025 MG / norgestimate 0.25 MG Oral Tablet) / 7 (inert ingredients 1 MG Oral Tablet) } Pack

Cross-maps

RxNorm749157

Source vocabularies

Atoms not loaded for this concept.

Related concepts

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C2242424 {1 (0.35 ML chondroitin sulfates 40 MG/ML / sodium hyaluronate 30 MG/ML Prefilled Syringe) / 1 (0.4 ML sodium hyaluronate 10 MG/ML Prefilled Syringe) } Pack

# same page, as API
GET autoicdapi.com/api/v1/reference/umls/C1968308
GET autoicdapi.com/api/v1/translate?code=C1968308&from=umls&to=snomed-ct

Common questions

What is the UMLS CUI for {7 (ethinyl estradiol 0.025 MG / norgestimate 0.18 MG Oral Tablet) / 7 (ethinyl estradiol 0.025 MG / norgestimate 0.215 MG Oral Tablet) / 7 (ethinyl estradiol 0.025 MG / norgestimate 0.25 MG Oral Tablet) / 7 (inert ingredients 1 MG Oral Tablet) } Pack?

What is UMLS code C1968308?

C1968308 is the UMLS identifier for {7 (ethinyl estradiol 0.025 MG / norgestimate 0.18 MG Oral Tablet) / 7 (ethinyl estradiol 0.025 MG / norgestimate 0.215 MG Oral Tablet) / 7 (ethinyl estradiol 0.025 MG / norgestimate 0.25 MG Oral Tablet) / 7 (inert ingredients 1 MG Oral Tablet) } Pack. It is included in the current NLM UMLS Metathesaurus release.

What is the RxNorm mapping for C1968308?

C1968308 maps to RxNorm 749157.

UMLS, plainly answered

What is UMLS?

The Unified Medical Language System is the NLM's meta-terminology that unifies SNOMED CT, ICD-10, ICD-11, RxNorm, LOINC, MeSH, and around 200 other source vocabularies under a single concept identifier (CUI). One UMLS CUI can group dozens of synonymous codes from different terminologies.

What is a CUI and why does it matter?

A CUI is a stable identifier (like C0011860) that points at a single clinical idea regardless of how that idea is encoded in any specific vocabulary. CUIs are the most reliable way to bridge between terminologies when you need to compare or merge data from multiple sources.

How does UMLS help with cross-mapping?

Every UMLS concept page lists the codes it groups together. That gives you a free crosswalk: a SNOMED concept and an ICD-10 code that share a CUI describe the same clinical idea. Our cross_references API returns these groupings inline.

Is the API free to use?

Browsing the directory is free. Programmatic /api/v1/reference/umls/* access needs an API key. Production volume requires a paid tier.

How fresh is the UMLS data?

We track NLM's twice-yearly releases (May AB and November AB). Each release brings new concepts, retirements, and atom updates from the source vocabularies, and our index reflects them within the same week.

Do I need a UMLS license?

Yes. The UMLS Metathesaurus License Agreement is free but requires an NLM UTS account. Customers in production need their own license. Free-tier evaluation use is permitted under the standard terms.