All fully specified names (FSN) should be represented in US English. When there is a difference between the US and GB spelling, there should be US and General British (GB) preferred terms (PT) and/or synonyms (SYN).
Where an FSN represents the name of an organization or trademarked name, a synonym with variant GB or US spelling is not required.
|References for Spelling|
Wikipedia, the free encyclopedia*
*Note: Wikipedia may be used as a starting point, or source, for authoritative references, but not as an actual reference
|US Medical English|
Stedman's Medical Dictionary
Merriam-Webster Online Dictionary
American Medical Association (AMA) Manual of Style
Dorland's Medical Dictionary - medical terminology
Chambers 21st Century Dictionary - general
Oxford English Dictionary spelling is different from British English. A summary of the points of difference can be found at http://en.wikipedia.org/wiki/Oxford_spelling_. In those cases where British English and Oxford English Dictionary differ, SNOMED CT follows the British English spelling.
The addition of an Oxford English Dictionary term is allowed but not required. When added, it should be marked as acceptable in the British English dialect. In some cases, it is also accepted or preferred in US English.
SNOMED CT may include (or add) more than one description, each with a different spelling for a given concept. That is, if the above references provide evidence of acceptability in the dialects for which they are being added.
For spelling of preferred terms in a dialect, where the reference sources provide multiple options, a judgment about the most common spelling may be needed. This may be determined by reviewing journal articles containing the word in question.
Articles should be from highly cited journals, e.g BMJ (for British English) or NEJM or JAMA (for US English).
For concepts that are not clinical, appropriate scientific journals should be consulted, e.g. Science (US publisher) or Nature (UK publisher).
Fetal is the preferred term in both the US and GB language reference sets. Fetal is acceptable in GB synonyms. Foetal is not acceptable for US language but acceptable for GB language.