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Levonorgestrel 0.000583 MG/HR Intrauterine System [Skyla] — RxCUI 1366339

RxNorm drug concept · Semantic branded drug
RxCUI 1366339 Semantic branded drug · SBD ● Current RxNorm concept 1 FDA product 2 package NDCs Snapshot Jul 14, 2026

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Compiled from public NLM RxNorm and FDA (openFDA NDC directory) data sources. Editorial policy

What you’re looking at: the standardized identity of one medicine, as the U.S. drug-data system sees it. Below — every FDA-listed product, package code, price benchmark, and billing code that maps to it.

🗂️ Key Facts

RxCUI1366339
Official nameLevonorgestrel 0.000583 MG/HR Intrauterine System [Skyla]
Concept typeSemantic branded drug (SBD)
RxNorm statusCurrent RxNorm concept
Also known asSkyla 13.5 MG Intrauterine System; Skyla 0.000583 MG/HR Intrauterine System; Skyla 14 MCG per 24HR Intrauterine System
FDA products mapped1
Package NDCs mapped2
Reported Medicaid activity (SDUD)4,048 prescriptions · 38 state & territory Medicaid programs · latest period Q4 2025
RxNorm release07/06/2026
Snapshot dataJul 14, 2026

📖 Skip the Codes — Read It in Plain English.

Our pharmacist-built guide to Levonorgestrel: what it is, how it’s used, side effects, and interactions.

📗 Our plain-language guide HelloPharmacist
  • It comes in two main types. The intrauterine systems (Mirena, Liletta, Kyleena, Skyla) prevent pregnancy for years, and Mirena and Liletta also treat heavy menstrual bleeding. The...
  • Take it as soon as you can, within 72 hours (3 days) of unprotected sex. The sooner you take it, the better it works. If you vomit within 2 hours, call a healthcare professional to...
  • How do I take the emergency contraceptive tablet?
  • No. It's a backup method and isn't as effective as regular birth control. It also won't work if you're already pregnant, and it doesn't protect against HIV or other STDs.
📖 Read our full Levonorgestrel guide →

🕸️ Concept Web — How Levonorgestrel 0.000583 MG/HR Intrauterine Syste... Connects

One RxCUI never lives alone. Follow the path from the raw ingredient down to the exact strength-and-form concepts FDA products carry — every stop is a real RxNorm concept with its own identifier. Hover or focus any chip for what it means.
This page's concept Levonorgestrel 0.000583 MG/HR Intrauterine System [Skyla] RxCUI 1366339

Every web starts here: one RxCUI, one fixed meaning in the RxNorm vocabulary.

  1. Ingredients 1

    The active substance itself — no strength, form, or brand attached yet.

    • Levonorgestrel 6373
  2. Brand names 1

    The same medicine's trade names. A brand name alone says nothing about strength or form.

    • Skyla 1366335
  3. Dose forms 6

    The ingredient poured into a form — tablet, solution, cream — still without one fixed strength.

    • Levonorgestrel Intrauterine System 1856515
    • Levonorgestrel Drug Implant Product 1163476
    • Levonorgestrel Intrauterine System [Skyla] 1856517
    • Skyla Drug Implant Product 1366338
    • Intrauterine System 1856271
    • Drug Implant Product 1151136
  4. Clinical & branded drugs 3

    Ingredient + strength + dose form. These are the concepts real FDA products actually carry.

Showing up to 8 concepts per family — 11 of 11 stored related concepts drawn.
These are official RxNorm vocabulary relationships — how concepts name and organize the same medicine. They do not establish therapeutic equivalence or substitutability: two concepts appearing in one web is never a statement that products can be swapped.

🔀 Generic ⇄ Brand Crosswalk

The same medicine has an unbranded (generic) identity and one or more brand-name identities — each with its own RxCUI. This is a naming relationship in RxNorm, not a statement that any two products are substitutable.

Generic (Clinical) Concepts

Brand-Name Concepts

  • Levonorgestrel 0.000583 MG/HR [Skyla] SBDC · 1366336
  • Levonorgestrel Intrauterine System [Skyla] SBDF · 1856517
  • Skyla Drug Implant Product SBDG · 1366338
  • Skyla BN · 1366335

📦 FDA Products & Package NDCs

1 product · 2 package NDCs
2 package NDCs map to RxCUI 1366339 in the current snapshot — up to 50 per page. Each linked NDC opens its full package page.
Package NDC Package Brand / generic name Labeler Marketing start
50419-0422-01 1 INTRAUTERINE DEVICE in 1 CARTON (50419-422-01) Skyla Bayer HealthCare Pharmaceuticals Inc. 2013-01-11
50419-0422-08 1 INTRAUTERINE DEVICE in 1 CARTON (50419-422-08) Skyla Bayer HealthCare Pharmaceuticals Inc. 2013-01-11
Observed labelers: Bayer HealthCare Pharmaceuticals Inc. (2) — this is the FDA-listed mapping footprint, not sales, inventory, availability, or market share.

🗃️ Sources & Limits

Atlas generation902fddb9-e9c1-4004-bf4c-dba4d51037c7
openFDA export observedJul 14, 2026
RxNorm release07/06/2026
Methodology2026-07-full-catalog-v1
  • A shared RxCUI does not prove interchangeability. Products mapped to the same concept are not thereby equivalent or substitutable — equivalence is a separate, product-level determination.
  • Listing here does not establish approval or coverage. Appearing in this snapshot is a data observation, not an FDA approval status or a payer coverage decision.
  • Missing data never means zero. A silent dataset (no price, no billing code, no utilization) means no observation — not that the real-world value is zero.
  • Counts describe the mapping footprint. Product, package, and labeler counts are the FDA-listed mapping footprint in this snapshot — not sales, inventory, availability, or market share.
This product uses publicly available data from 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.

Machine-readable JSON

Reference information about drug-concept identifiers and public regulatory data — not medical advice. Talk to your pharmacist or prescriber about your own medication.