ICD-10 Code
International Classification of Diseases, 10th Revision
Aug 20, 2017
  ICD-10 Code for Shiga toxin-producing Escherichia coli [E. coli] (STEC) O157 as the cause of diseases classified elsewhere B96.21

B96.21 is a valid1 ICD 10 diagnosis code.

B96.21 is valid for submission for HIPAA-covered transactions.

Chapter 1 Certain infectious and parasitic diseases (A00-B99)
Section B95-B97 Bacterial and viral infectious agents (B95-B97)
Category B96 Other bacterial agents as the cause of diseases classified elsewhere

• See below for any additional coding requirements that may be necessary.

• Check for any notations, inclusions and/or exclusions that are specific to this ICD 10 code before using

1 No additional coding requirements necessary.
Inclusion Term
See also ICD 10 code for

Related Terms to “Shiga toxin-producing Escherichia coli [E. coli] (STEC) O157 as the cause of diseases classified elsewhere”

  • Escherichia coli, as cause of disease classified elsewhere(E. coli) - B96.20
    • O157 with confirmation of Shiga toxin when H antigen is unknown, or is not H7 - B96.21
    • O157:H- with confirmation of Shiga toxin(nonmotile) - B96.21
    • O157:H7 with or without confirmation of Shiga toxin-production - B96.21
    • O157 - B96.21
    • O157:H7 with or without confirmation of Shiga toxin-production - B96.21
See the 2017 ICD-10-CM Coding Guidelines.

When ICD 10 was implemented on October 1, 2015, it did not affect physicians', outpatient facilities', and hospital outpatient departments' use of CPT codes on Medicare Fee-For-Service claims. Providers should continue to use CPT codes to report these services.