levonorgestrel 0.000813 MG/HR

RxNorm concept 1991110, clinical drug component (scdc).

RxCUI: 1991110
Term type: Clinical drug component (SCDC)
Status: Active

Request

curl https://api.healthcare.dev/v1/drugs/rxnorm/1991110 \
  -H "Authorization: Bearer $HDEV_API_KEY"

Concept

Ingredients and related concepts

Ingredients

levonorgestrel 6373

Related concepts

levonorgestrel 0.000813 MG/HR Intrauterine System (SCD, constitutes)
levonorgestrel 0.000813 MG/HR Intrauterine System [Liletta] (SBD, constitutes)
levonorgestrel (IN, has ingredient)
levonorgestrel 0.000813 MG/HR [Liletta] (SBDC, has tradename)

Linked data

NDCs

RxNorm links no NDCs to this concept.

Use it

Look up 1991110 from code or an agent

curl

curl https://api.healthcare.dev/v1/drugs/rxnorm/1991110 \
  -H "Authorization: Bearer $HDEV_API_KEY"

MCP prompt

Using the healthcare.dev MCP server, look up RxNorm concept 1991110. Tell me its name and term type, its ingredients and related concepts, and the NDCs linked to it.

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Source: U.S. National Library of Medicine, release 2026-10-05. No license required (Current Prescribable Content). Reference data, not medical advice.