helium 79 % / oxygen 21 % Gas for Inhalation

RxNorm concept 542167, clinical drug (scd).

RxCUI: 542167
Term type: Clinical drug (SCD)
Status: Active

Request

curl https://api.healthcare.dev/v1/drugs/rxnorm/542167 \
  -H "Authorization: Bearer $HDEV_API_KEY"

Concept

Ingredients and related concepts

Ingredients

Related concepts

oxygen 21 % (SCDC, consists of)
helium 79 % (SCDC, consists of)
Gas for Inhalation (DF, has dose form)

Linked data

NDCs

NDC-11s RxNorm links to this concept; linked ones open their FDA product.

Use it

Look up 542167 from code or an agent

curl

curl https://api.healthcare.dev/v1/drugs/rxnorm/542167 \
  -H "Authorization: Bearer $HDEV_API_KEY"

MCP prompt

Using the healthcare.dev MCP server, look up RxNorm concept 542167. Tell me its name and term type, its ingredients and related concepts, and the NDCs linked to it.

Get a free key RxNorm docs Connect the MCP server

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