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ICD-10 Guide
ICD-10 CodesK46.1

K46.1

Billable

Unspecified abdominal hernia with gangrene

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/06/2025

Code Description

ICD-10 K46.1 is a billable code used to indicate a diagnosis of unspecified abdominal hernia with gangrene.

Key Diagnostic Point:

K46.1 refers to an unspecified abdominal hernia with gangrene, a serious condition characterized by the protrusion of abdominal contents through a defect in the abdominal wall, which has become necrotic due to compromised blood supply. This condition often arises from pre-existing hernias that become incarcerated, leading to strangulation and subsequent gangrene. Clinically, patients may present with severe abdominal pain, signs of bowel obstruction, and systemic symptoms such as fever and tachycardia. The anatomy involved includes the abdominal wall, peritoneum, and potentially the intestines or other intra-abdominal organs. Disease progression can be rapid, necessitating immediate surgical intervention to prevent sepsis and further complications. Diagnostic considerations include imaging studies such as ultrasound or CT scans to assess the hernia's status and the viability of the affected tissue. Timely diagnosis and intervention are crucial to improve outcomes and reduce morbidity associated with this condition.

Code Complexity Analysis

Complexity Rating: High

High Complexity

Complexity Factors

  • Diagnostic complexity
  • Treatment complexity
  • Documentation requirements
  • Coding specificity

Audit Risk Factors

  • Common coding errors include misclassification of hernia types.
  • Documentation gaps may arise if the severity of gangrene is not clearly stated.
  • Billing challenges can occur if the urgency of the condition is not adequately documented.

Specialty Focus

Medical Specialties

General Surgery

Documentation Requirements

Standard ICD-10-CM documentation requirements apply

Common Clinical Scenarios

Various clinical presentations within this specialty area

Billing Considerations

Follow specialty-specific billing guidelines

Gastroenterology

Documentation Requirements

Standard ICD-10-CM documentation requirements apply

Common Clinical Scenarios

Various clinical presentations within this specialty area

Billing Considerations

Follow specialty-specific billing guidelines

Related ICD-10 Codes

Related CPT Codes

CPT Code

Clinical Scenario

Documentation Requirements

CPT Code

Clinical Scenario

Documentation Requirements

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The clinical significance of K46.1 lies in its association with severe complications, including sepsis and increased mortality rates if not treated promptly. Population health impact is notable, as abdominal hernias are common, and the progression to gangrene can lead to increased healthcare utilization, including emergency surgeries and prolonged hospital stays. Quality measures focus on timely intervention and management of hernias to prevent complications, highlighting the importance of awareness and early diagnosis in clinical practice.

ICD-9 vs ICD-10

The clinical significance of K46.1 lies in its association with severe complications, including sepsis and increased mortality rates if not treated promptly. Population health impact is notable, as abdominal hernias are common, and the progression to gangrene can lead to increased healthcare utilization, including emergency surgeries and prolonged hospital stays. Quality measures focus on timely intervention and management of hernias to prevent complications, highlighting the importance of awareness and early diagnosis in clinical practice.

Reimbursement & Billing Impact

Reimbursement considerations include the severity of the condition and the urgency of surgical intervention. Common denials may arise from insufficient documentation of gangrene or the need for emergency surgery. Best practices include ensuring that all clinical findings, imaging results, and surgical notes are thoroughly documented to support the medical necessity of the procedure and the use of K46.1.

Resources

Clinical References

  • •
    ICD-10 Official Guidelines for K00-K99
  • •
    Clinical Documentation Requirements

Coding & Billing References

  • •
    ICD-10 Official Guidelines for K00-K99
  • •
    Clinical Documentation Requirements

Frequently Asked Questions

What specific conditions are covered by K46.1?

K46.1 specifically covers cases of abdominal hernias that have progressed to gangrene, which may include incarcerated or strangulated hernias where blood supply has been compromised, leading to tissue necrosis.

When should K46.1 be used instead of related codes?

K46.1 should be used when there is clear evidence of gangrene associated with an abdominal hernia. If the hernia is present without gangrene, codes like K46.0 should be utilized instead.

What documentation supports K46.1?

Documentation must include clinical findings of gangrene, imaging results indicating the state of the hernia, and any surgical notes detailing the intervention performed and the condition of the affected tissue.