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." It is used in ICD coding when the information available is not enough to code the condition to a more specific category. In this case, because the diagnosis "goiter, nodular nontoxic" does not specify the type of nontoxic goiter further, it is coded as unspecified nontoxic goiter, which is an example of using NOS.

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