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 in the medical record is insufficient to assign a more specific code. In this case, because the diagnosis does not specify the type of nontoxic goiter beyond "nodular," the unspecified code E04.9 is used, exemplifying the NOS designation.

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