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A09
Billable

Infectious gastroenteritis and colitis, unspecified

Chapter 1: Certain infectious and parasitic diseases

Inclusion Terms

3 items
  • Infectious colitis NOS
  • Infectious enteritis NOS
  • Infectious gastroenteritis NOS

Excludes1

5 items
  • colitis NOS (K52.9)
  • diarrhea NOS (R19.7)
  • enteritis NOS (K52.9)
  • gastroenteritis NOS (K52.9)
  • noninfective gastroenteritis and colitis, unspecified (K52.9)

Billable Code

A09 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

Referenced in Diagnoses

Conditions that use this ICD-10 code in their documentation

Additional Information from Parent Codes

The following information may apply to this code from its parent codes in the ICD-10 hierarchy. This information is important for proper coding and classification.

Parent Codes Referenced:

Includes

1 item

From A00-B99:

  • diseases generally recognized as communicable or transmissible

Excludes1

1 item

From A00-B99:

  • certain localized infections - see body system-related chapters

Excludes2

4 items

From A00-B99:

  • carrier or suspected carrier of infectious disease (Z22.-)
  • infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)
  • infectious and parasitic diseases specific to the perinatal period (P35-P39)
  • influenza and other acute respiratory infections (J00-J22)

Use Additional Code

1 item

From A00-B99:

  • code to identify resistance to antimicrobial drugs (Z16.-)
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