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Home/Diagnosis/ICD-10 Coding for Infectious Colitis

ICD-10 Coding for Infectious Colitis

A09
A04.72
A08.3

Complete ICD-10-CM coding and documentation guide for icd-10 coding for infectious colitis includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
Infective Colitis
Bacterial Colitis
Viral Colitis
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Key Information: ICD-10 Coding for Infectious Colitis

Essential facts and insights about ICD-10 Coding for Infectious Colitis

Use ICD-10 code A09 for infectious gastroenteritis and colitis, unspecified, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Infectious gastroenteritis and colitis, unspecified

Billable Code
A09
Billable

Diagnostic Criteria

clinical_criteria:
  • • No specific organism identified in lab results.

Applicable To

  • • Unspecified infectious colitis

Important Notes

  • • Ensure documentation does not specify an organism; otherwise, use a more specific code.

Enterocolitis due to Clostridium difficile, not specified as recurrent

Billable Code
A04.72
Billable

Diagnostic Criteria

clinical_criteria:
  • • Positive stool test for C. difficile toxin B or PCR.
  • • Clinical symptoms of diarrhea and abdominal pain.

Applicable To

  • • C. difficile colitis

Important Notes

  • • Ensure documentation specifies C. difficile as the cause.

Viral enteritis

Non-Billable
A08.3
Non-Billable

Diagnostic Criteria

clinical_criteria:
  • • Biopsy showing CMV inclusions.
  • • Positive immunohistochemical staining for CMV.

Applicable To

  • • CMV colitis

Important Notes

  • • Ensure biopsy and lab results confirm viral cause.
Ancillary Codes

Additional codes that may be used with this diagnosis

B25.8

Other cytomegaloviral diseases

Use alongside A08.3 for CMV colitis.

Frequently Asked Questions

What is the ICD-10 code for infectious colitis?

The ICD-10 code for unspecified infectious colitis is A09. For specific causes like C. difficile, use A04.72.

How do you code C. difficile colitis?

For C. difficile colitis, use ICD-10 code A04.72. Ensure documentation includes positive test results.

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