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ICD-10 Coding for STEC Gastroenteritis(A04.3, A04.1, B96.22)

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Learn about the ICD-10 coding for STEC gastroenteritis, including primary and ancillary codes, documentation requirements, and common pitfalls.

Also known as:
Shiga toxin-producing E. coli infectionEnterohemorrhagic E. coli infection
Related ICD-10 Code Ranges

Complete code families applicable to STEC Gastroenteritis

A00-B99Primary Range

Certain infectious and parasitic diseases

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Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescription
A04.3Enterohemorrhagic Escherichia coli infection
B96.22Escherichia coli [E. coli] as the cause of diseases classified elsewhere
Primary ICD-10-CM Codes
Enterohemorrhagic Escherichia coli infection
A04.3Billable
Differential Codes

Alternative codes to consider when ruling out similar conditions

Enterotoxigenic Escherichia coli infectionA04.1

Documentation & Coding Risks

Avoid these common issues when documenting STEC Gastroenteritis.

Vague documentation of E. coli infection

Impact

Clinical: May lead to inappropriate treatment., Regulatory: Non-compliance with coding standards., Financial: Potential for denied claims.

Mitigation

Specify STEC in documentation, Include lab confirmation details

Using B96.22 without A04.3

Impact

Reimbursement: Incorrect coding can lead to denied claims., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate data on disease prevalence.

Mitigation

Always pair B96.22 with a primary code like A04.3.

Incorrect code sequencing

Impact

Using B96.22 without a primary code like A04.3.

Mitigation

Educate coders on proper sequencing rules.

Frequently Asked Questions

Related condition guides

Documentation requirements, coding pitfalls and FAQs for conditions coded with A04.3.