Shiga toxin-producing Escherichia coli [E. coli] [STEC] O157 as the cause of diseases classified elsewhere
Billable / specific
B96.21 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.
Inclusion terms
Applicable to
- E. coli O157:H- (nonmotile) with confirmation of Shiga toxin
- E. coli O157 with confirmation of Shiga toxin when H antigen is unknown, or is not H7
- O157:H7 Escherichia coli [E. coli] with or without confirmation of Shiga toxin-production
- Shiga toxin-producing Escherichia coli [E. coli] O157:H7 with or without confirmation of Shiga toxin-production
- STEC O157:H7 with or without confirmation of Shiga toxin-production
Includes (from B96)
- diseases generally recognized as communicable or transmissible
- Note: These categories are provided for use as supplementary or additional codes to identify the infectious agent(s) in diseases classified elsewhere.
Excludes2
Not included here — may be reported together when both conditions exist.
- carrier or suspected carrier of infectious disease (Z22.-) (from B96)
- certain localized infections - see body system-related chapters (from B96)
- infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-) (from B96)
- infectious and parasitic diseases specific to the perinatal period (P35-P39) (from B96)
- influenza and other acute respiratory infections (J00-J22) (from B96)
Use additional code
Add a code to identify the following, if applicable.
Also known as
- E. coli O157:H- (nonmotile) with confirmation of Shiga toxin
- E. coli O157 with confirmation of Shiga toxin when H antigen is unknown, or is not H7
- O157:H7 Escherichia coli [E. coli] with or without confirmation of Shiga toxin-production
- Shiga toxin-producing Escherichia coli [E. coli] O157:H7 with or without confirmation of Shiga toxin-production
- STEC O157:H7 with or without confirmation of Shiga toxin-production
- Escherichia coli, as cause of disease classified elsewhere, O157
- Escherichia coli, as cause of disease classified elsewhere, O157:H-with confirmation of Shiga toxin
Parent code
- B96.2Escherichia coli [E. coli ] as the cause of diseases classified elsewhereHeader
Related codes
- B96.20Unspecified Escherichia coli [E. coli] as the cause of diseases classified elsewhereBillable
- B96.22Other specified Shiga toxin-producing Escherichia coli [E. coli] [STEC] as the cause of diseases classified elsewhereBillable
- B96.23Unspecified Shiga toxin-producing Escherichia coli [E. coli] [STEC] as the cause of diseases classified elsewhereBillable
- B96.29Other Escherichia coli [E. coli] as the cause of diseases classified elsewhereBillable