What is the ICD-10 code for GERD with hiatal hernia?

The ICD-10 codes for GERD with hiatal hernia are K21.9 for GERD without esophagitis and K44.9 for hiatal hernia without obstruction.

How do you code GERD with esophagitis and hiatal hernia?

Use K21.0 for GERD with esophagitis and K44.9 for hiatal hernia without obstruction. Ensure endoscopic confirmation of esophagitis.

ICD-10 Coding for GERD with Hiatal Hernia(K21.9, K21.0, K44.0)

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Learn about ICD-10 coding for GERD with hiatal hernia, including primary and secondary codes, documentation requirements, and common pitfalls.

Also known as:

Gastroesophageal Reflux Disease with Hiatal HerniaReflux Esophagitis with Hiatal Hernia

Related ICD-10 Code Ranges

Complete code families applicable to GERD with Hiatal Hernia

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

Code	Description	When to Use	Key Documentation
K21.9	Gastro-esophageal reflux disease without esophagitis	Use when GERD is present without esophagitis.	pH monitoring showing acid exposure Symptomatic heartburn and regurgitation
K21.0	Gastro-esophageal reflux disease with esophagitis	Use when GERD is present with esophagitis.	Endoscopic confirmation of esophagitis
K44.9	Diaphragmatic hernia without obstruction or gangrene	Use when a hiatal hernia is present without obstruction.	Imaging or endoscopic confirmation of hernia

Primary ICD-10-CM Codes

Gastro-esophageal reflux disease without esophagitis

K21.9Billable

Differential Codes

Alternative codes to consider when ruling out similar conditions

Gastro-esophageal reflux disease with esophagitisK21.0

Use when esophagitis is confirmed by endoscopy.

Gastro-esophageal reflux disease without esophagitisK21.9

Use when esophagitis is not present.

Diaphragmatic hernia with obstructionK44.0

Use when obstruction is confirmed.

Documentation & Coding Risks

Avoid these common issues when documenting GERD with Hiatal Hernia.

Failing to document esophagitis when present

Impact

Clinical: Inaccurate treatment planning, Regulatory: Non-compliance with coding standards, Financial: Potential claim denials

Mitigation

Ensure endoscopic findings are documented, Review documentation for completeness

Using K44.9 when obstruction is present

Impact

Reimbursement: Incorrect coding may lead to denied claims., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate clinical data representation.

Mitigation

Use K44.0 if obstruction is documented.

Incorrect Code Sequencing

Impact

Improper sequencing of GERD and hernia codes can lead to audit issues.

Mitigation

Ensure documentation clearly indicates the primary reason for the encounter.

Frequently Asked Questions

Documentation requirements, coding pitfalls and FAQs for conditions coded with K21.9.

Primary Code

K21.9

Gastro-esophageal reflux disease without esophagitis

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ICD-10 codes5

Coding risks3

FAQs2

ICD-10 Coding for GERD with Hiatal Hernia(K21.9, K21.0, K44.0)

Documentation & Coding Risks

Frequently Asked Questions

What is the ICD-10 code for GERD with hiatal hernia?

How do you code GERD with esophagitis and hiatal hernia?

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