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Home/Diagnosis/ICD-10 Coding for Vomiting and Diarrhea

ICD-10 Coding for Vomiting and Diarrhea

A09
K52.9
R11.2

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

Also Known as:
Gastroenteritis
Stomach Flu
Acute Diarrhea
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Key Information: ICD-10 Coding for Vomiting and Diarrhea

Essential facts and insights about ICD-10 Coding for Vomiting and Diarrhea

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:
  • • Presence of infectious agent confirmed by lab tests
coding:
  • • Avoid using with R19.7 due to Excludes1 note

Applicable To

  • • Viral gastroenteritis
  • • Bacterial gastroenteritis

Important Notes

  • • Ensure infectious etiology is documented before using A09.

Noninfective gastroenteritis and colitis, unspecified

Billable Code
K52.9
Billable

Diagnostic Criteria

clinical:
  • • Negative infectious workup
  • • Clinical history of dietary or allergic cause

Applicable To

  • • Functional diarrhea
  • • Dietary-related diarrhea

Important Notes

  • • Ensure non-infectious etiology is documented before using K52.9.

Nausea with vomiting, unspecified

Billable Code
R11.2
Billable

Diagnostic Criteria

clinical:
  • • Clinical presentation of nausea and vomiting

Applicable To

  • • Nausea with vomiting

Important Notes

  • • Use as a symptom code when no definitive diagnosis is available.
Ancillary Codes

Additional codes that may be used with this diagnosis

R11.2

Nausea with vomiting, unspecified

Use to document symptoms when no specific diagnosis is made.

E86.0

Dehydration

Use to document dehydration as a result of diarrhea.

Frequently Asked Questions

What is the ICD-10 code for vomiting and diarrhea?

The ICD-10 code for infectious gastroenteritis causing vomiting and diarrhea is A09. For non-infectious causes, use K52.9.

How do you code vomiting and diarrhea in ICD-10?

Code A09 for infectious causes confirmed by lab tests. Use K52.9 for non-infectious causes. Symptom codes like R11.2 can be used when no specific diagnosis is made.

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