168 HR ethinyl estradiol 0.000417 MG/HR / levonorgestrel 0.00167 MG/HR Transdermal System [Twirla]
RxNorm concept 2396258, branded drug (sbd). Prescribable name: Twirla Weekly Replacement Transdermal System.
- RxCUI
- 2396258
- Term type
- Branded drug (SBD)
- Status
- Active
curl https://api.healthcare.dev/v1/drugs/rxnorm/2396258 \ -H "Authorization: Bearer $HDEV_API_KEY"
Concept
Ingredients and related concepts
Ingredients
Other names
Twirla Weekly Replacement Transdermal System
Related concepts
- ethinyl estradiol 0.000417 MG/HR (SCDC, consists of)
- levonorgestrel 0.00167 MG/HR (SCDC, consists of)
- ethinyl estradiol 0.000417 MG/HR / levonorgestrel 0.00167 MG/HR [Twirla] (SBDC, consists of)
- {3 (168 HR ethinyl estradiol 0.000417 MG/HR / levonorgestrel 0.00167 MG/HR Transdermal System [Twirla]) } Pack [Twirla 3 Count Weekly Patch] (BPCK, contained in)
- Transdermal System (DF, has dose form)
- Twirla (BN, has ingredient)
- 168 HR ethinyl estradiol 0.000417 MG/HR / levonorgestrel 0.00167 MG/HR Transdermal System (SCD, tradename of)
Linked data
NDCs
NDC-11s RxNorm links to this concept; linked ones open their FDA product.
Use it
Look up 2396258 from code or an agent
curl https://api.healthcare.dev/v1/drugs/rxnorm/2396258 \ -H "Authorization: Bearer $HDEV_API_KEY"
Using the healthcare.dev MCP server, look up RxNorm concept 2396258. Tell me its name and term type, its ingredients and related concepts, and the NDCs linked to it.
Source: U.S. National Library of Medicine, release 2026-10-05. No license required (Current Prescribable Content). Reference data, not medical advice.