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ICD-10 Coding for Acid Reflux Disease(K21.0, K21.9, K22.7)

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Learn about ICD-10 coding for acid reflux disease, including GERD with and without esophagitis. Understand documentation requirements and coding pitfalls.

Also known as:
GERDGastroesophageal Reflux Disease
Related ICD-10 Code Ranges

Complete code families applicable to Acid Reflux Disease

K00-K95Primary Range

Diseases of the digestive system

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Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescription
K21.0Gastro-esophageal reflux disease with esophagitis
K21.9Gastro-esophageal reflux disease without esophagitis
Primary ICD-10-CM Codes
Gastro-esophageal reflux disease with esophagitis
K21.0
Differential Codes

Alternative codes to consider when ruling out similar conditions

Gastro-esophageal reflux disease without esophagitisK21.9

Use when GERD is diagnosed without endoscopic evidence of esophagitis.

Gastro-esophageal reflux disease with esophagitisK21.0

Use when esophagitis is confirmed via endoscopy.

Documentation & Coding Risks

Avoid these common issues when documenting Acid Reflux Disease.

Failure to document endoscopic findings

Impact

Clinical: Inaccurate diagnosis representation, Regulatory: Non-compliance with coding standards, Financial: Potential claim denials

Mitigation

Ensure all endoscopic findings are documented, Train staff on documentation standards

Using K21.9 when esophagitis is present

Impact

Reimbursement: Potential underpayment due to incorrect DRG assignment, Compliance: Non-compliance with coding guidelines, Data Quality: Inaccurate clinical data representation

Mitigation

Verify endoscopic findings before coding.

Incorrect GERD coding

Impact

Coding GERD without confirming esophagitis status

Mitigation

Implement regular training on GERD documentation and coding.

Frequently Asked Questions

Related condition guides

Documentation requirements, coding pitfalls and FAQs for conditions coded with K21.0.