SNOMED International - Leading healthcare terminology, worldwide

United States

The United States representative to SNOMED International is the National Library of Medicine (NLM). NLM provides information services to support the advancement of science, the progress of health care, and the public health. The Library’s electronic information services (including MEDLINE on, consumer health information on, molecular biology and genomic resources, and many others) are available free of charge worldwide from

NLM serves as the central coordinating body for clinical terminology standards within the US. The Library supports the development, enhancement, and distribution of clinically specific vocabularies (e.g., SNOMED CT®, LOINC®, RxNorm®) to facilitate the exchange of clinical data and improve retrieval of health information. NLM’s activities in support of health data standardization are described at

NLM makes SNOMED CT available in multiple formats, both as part of the Unified Medical Language System® (UMLS®) Metathesaurus®, where it is linked to more than 100 other biomedical terminologies in many languages and to lexical processing tools, and in its native file structure. The NLM distributes SNOMED CT free of charge to US and international users, under the terms of the standard  affiliate license which is included in the UMLS license agreement. Information about obtaining SNOMED CT from the NLM is available at For more information users should contact NLM Customer service at custserv(at)


2014 Update

Contact Details

SNOMED International
Registered in England and Wales | Company Registration Number 9915820
Reg. address: One Kingdom Street | Paddington Central | London W2 6BD | United Kingdom
Tel: +44 (0) 203 755 0974 | |

SNOMED International is the trading name of the International Health Terminology Standards Development Organisation a private company limited by guarantee