ICD-10-CM > A00-B99 > B95-B97 > B96 > B96.2 > B96.23 B96.23 Unspecified Shiga toxin-producing Escherichia coli [E. coli] [STEC] as the cause of diseases classified elsewhere Billable/Specific Copy Code Copy Description Applicable To Shiga toxin-producing Escherichia coli [E. coli] with unspecified O groupSTEC NOS