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ICD-10 Guide
DiagnosesRight Inguinal Hernia

Right Inguinal Hernia

ICD-10 Coding for Right Inguinal Hernia(K40.90, K40.30)

PRIMARY SPECIALTYGeneral Surgery
COMPLEXITYHigh
LAST UPDATED09/15/2025
Sam Tuffun, PT, DPT
Physical Therapist | Medical Coding & Billing Contributor

Diagnosis Overview

What is Right Inguinal Hernia?
Essential facts and insights about Right Inguinal Hernia

Key Clinical Considerations:

  • Bulge in the right groin area, especially when standing or during physical activity
  • Pain or discomfort in the groin, particularly with lifting or straining
  • Possible nausea or vomiting if incarceration occurs

Clinical Information

Clinical Criteria & Documentation Requirements

  • Patient history of hernia symptoms and physical examination findings
  • Specific terminology such as 'right inguinal hernia' and 'reducible' or 'incarcerated'
  • Examples include detailed descriptions of the hernia's size, location, and any complications

Coding Guidelines

Usage Guidelines & Examples

  • Usage guidelines emphasize the importance of specifying the side and recurrence status of the hernia.
  • Common errors include using incorrect codes for bilateral hernias or failing to document the hernia's characteristics.

Code Exclusions

Important Exclusions

  • Femoral hernias, which are coded separately
  • Codes for recurrent hernias unless specified

Related ICD-10 Codes

Primary Codes
K40.90
Unilateral inguinal hernia, not specified as recurrent, right side
Differential Codes
K40.30
K40.40

Related CPT Codes

CPT codes will be available in a future update.

Specialty Focus

Primary Specialty

General Surgery

Specialty Applications

  • Adult patients presenting with groin pain or bulging
  • General surgery clinics and emergency departments

Coding Complexity

High Complexity

This diagnosis requires careful attention to:

  • Comprehensive clinical documentation
  • Accurate code selection based on clinical criteria
  • Proper exclusion considerations
  • Specialty-specific coding guidelines

Documentation

Documentation Templates

Billing Information

Billing Considerations

  • Ensure proper documentation for billing
  • Verify code specificity requirements
  • Check for any additional codes needed
  • Review payer-specific guidelines

Common Issues

  • Insufficient clinical documentation
  • Incorrect code selection
  • Missing supporting diagnoses
  • Timing and frequency documentation

Frequently Asked Questions

Documentation requirements?

Document the size, type, and symptoms of the hernia, along with any imaging results.

Billing considerations?

Ensure correct coding based on the type of hernia and any surgical procedures performed.