The diagnostic statement "goiter, nodular nontoxic" would be coded as an unspecified nontoxic goiter, ICD-10 CM code E04.9, because the diagnosis does not describe the condition as diffuse, uninodular, multinodular, or other specified nontoxic goiter. This is an example of which abbreviation used in ICD?

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NOS stands for "Not Otherwise Specified" and is used in ICD coding when a more specific diagnosis is not available from the medical record, as in the case of "goiter, nodular nontoxic" being coded as an unspecified nontoxic goiter (E04.9) due to lack of detail about the type of goiter.

The Diagnostic Statement "Goiter, Nodular Nontoxic" Would Be Coded as an Unspecified