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Home/Diagnosis/ICD-10 Coding for Hiatus Hernia

ICD-10 Coding for Hiatus Hernia

K44.9
Q40.1

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

Also Known as:
Hiatal Hernia
Diaphragmatic Hernia
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Key Information: ICD-10 Coding for Hiatus Hernia

Essential facts and insights about ICD-10 Coding for Hiatus Hernia

Use ICD-10 code K44.9 for diaphragmatic hernia without obstruction or gangrene, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Diaphragmatic hernia without obstruction or gangrene

Billable Code
K44.9
Billable

Diagnostic Criteria

clinical:
  • • Hernia size greater than 2 cm on imaging
documentation:
  • • Explicit mention of acquired vs congenital

Applicable To

  • • Hiatus hernia

Important Notes

  • • Ensure documentation specifies hernia size and symptoms to support K44.9.

Congenital diaphragmatic hernia

Billable Code
Q40.1
Billable

Diagnostic Criteria

documentation:
  • • Documentation must specify 'congenital'.

Applicable To

  • • Congenital diaphragmatic defect

Important Notes

  • • Ensure 'congenital' is documented to use Q40.1.
Ancillary Codes

Additional codes that may be used with this diagnosis

K21.9

Gastro-esophageal reflux disease without esophagitis

Use when GERD is present alongside hiatus hernia.

Frequently Asked Questions

What is the ICD-10 code for hiatus hernia?

The ICD-10 code for a hiatus hernia is K44.9, used for diaphragmatic hernia without obstruction or gangrene.

How do you document a hiatus hernia?

Document the hernia size, type (sliding or paraesophageal), and associated symptoms like GERD to support coding.

Can you bill hernia repair with bariatric surgery?

Hernia repair codes should not be billed with bariatric surgery codes as they are considered incidental.

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