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ICD-10 Coding for Small Hiatal Hernia(K44.9)

Complete ICD-10-CM coding and documentation guide for Small Hiatal Hernia. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

Sliding Hiatal HerniaType I Hiatal Hernia

Related ICD-10 Code Ranges

Complete code families applicable to Small Hiatal Hernia

K44-K44.9Primary Range

Diaphragmatic hernia codes

This range includes codes for diaphragmatic hernias, including hiatal hernias without obstruction or gangrene.

Key Information: ICD-10 code for small hiatal hernia

Essential facts and insights about Small Hiatal Hernia

The ICD-10 code for a small hiatal hernia without obstruction or gangrene is K44.9.

Primary ICD-10-CM Code for small hiatal hernia

Diaphragmatic hernia without obstruction or gangrene
Billable Code

Decision Criteria

clinical Criteria

  • Diagnosis confirmed by imaging showing <2 cm separation

documentation Criteria

  • Documentation must specify 'sliding' and 'without obstruction or gangrene'.

Applicable To

  • Sliding hiatal hernia

Excludes

  • Congenital hiatus hernia (Q40.1)

Clinical Validation Requirements

  • Endoscopy or barium swallow showing <2 cm separation
  • No evidence of obstruction or gangrene

Code-Specific Risks

  • Confusion with paraesophageal hernia coding

Coding Notes

  • Ensure documentation specifies 'sliding' and 'without obstruction or gangrene'.

Ancillary Codes

Additional codes that should be used in conjunction with the main diagnosis codes when applicable.

GERD without esophagitis

K21.9
Use if GERD is present alongside the hernia.

Differential Codes

Alternative codes to consider when ruling out similar conditions to the primary diagnosis.

Diaphragmatic hernia with obstruction, without gangrene

K44.0
Use when there is evidence of obstruction.

Diaphragmatic hernia with gangrene

K44.1
Use when there is evidence of gangrene.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Small Hiatal Hernia to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code K44.9.

Impact

Clinical: May lead to incorrect treatment decisions., Regulatory: Non-compliance with documentation standards., Financial: Potential for claim denials.

Mitigation Strategy

Train staff on documentation standards, Use templates with required fields

Impact

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

Mitigation Strategy

Use K44.9 only for sliding type I hernias.

Impact

Inadequate documentation of hernia type can lead to audit issues.

Mitigation Strategy

Ensure all clinical documentation specifies hernia type and size.

Documentation errors, coding pitfalls, and audit risks are interconnected aspects of medical coding and billing. Addressing all three areas helps ensure accurate coding, optimal reimbursement, and regulatory compliance.

Frequently Asked Questions

Common questions about ICD-10 coding for Small Hiatal Hernia, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Small Hiatal Hernia

Use these documentation templates to ensure complete and accurate documentation for Small Hiatal Hernia. These templates include all required elements for proper coding and billing.

Gastroenterology Clinic Note

Specialty: Gastroenterology

Required Elements

  • Patient symptoms
  • Endoscopy findings
  • Diagnosis details

Example Documentation

Patient reports heartburn. EGD shows sliding hiatal hernia <2 cm. No obstruction.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Hiatal hernia present.
Good Documentation Example
Sliding hiatal hernia measuring 1.5 cm without obstruction.
Explanation
The good example provides specific details necessary for accurate coding.

Need help with ICD-10 coding for Small Hiatal Hernia? Ask your questions below.

Ask about any ICD-10 CM code, or paste a medical note

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