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ICD-10 Guide
ICD-10 CodesK66.1

K66.1

Billable

Hemoperitoneum

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

Code Description

ICD-10 K66.1 is a billable code used to indicate a diagnosis of hemoperitoneum.

Key Diagnostic Point:

Hemoperitoneum refers to the presence of blood in the peritoneal cavity, which can result from various causes, including trauma, ruptured blood vessels, or underlying diseases such as malignancies or liver cirrhosis. Clinically, patients may present with abdominal pain, distension, and signs of shock, depending on the volume of blood loss. The peritoneal cavity is the space within the abdomen that houses organs such as the intestines, liver, and spleen. Disease progression can vary; acute hemoperitoneum may lead to rapid deterioration, while chronic cases may present with intermittent symptoms. Diagnostic considerations include imaging studies like ultrasound or CT scans, which can help visualize fluid accumulation. Laboratory tests may also be performed to assess hemoglobin levels and signs of internal bleeding. Prompt diagnosis and intervention are crucial to prevent complications such as hypovolemic shock or organ failure.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Diagnostic complexity: Requires imaging and clinical correlation.
  • Treatment complexity: May involve surgical intervention or conservative management.
  • Documentation requirements: Detailed clinical notes and imaging reports are essential.
  • Coding specificity: Requires accurate coding based on the underlying cause.

Audit Risk Factors

  • Common coding errors: Misclassification of the cause of hemoperitoneum.
  • Documentation gaps: Incomplete clinical notes regarding the patient's history and examination.
  • Billing challenges: Potential denials if the underlying cause is not clearly documented.

Specialty Focus

Medical Specialties

Emergency Medicine

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

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

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

Hemoperitoneum has significant clinical implications, as it can lead to severe complications if not promptly addressed. The condition affects various populations, particularly those involved in high-risk activities or with pre-existing health issues. Understanding the epidemiology of hemoperitoneum can help healthcare providers implement preventive measures and improve patient outcomes. Quality measures related to timely diagnosis and intervention can enhance healthcare utilization patterns and reduce hospital readmission rates.

ICD-9 vs ICD-10

Hemoperitoneum has significant clinical implications, as it can lead to severe complications if not promptly addressed. The condition affects various populations, particularly those involved in high-risk activities or with pre-existing health issues. Understanding the epidemiology of hemoperitoneum can help healthcare providers implement preventive measures and improve patient outcomes. Quality measures related to timely diagnosis and intervention can enhance healthcare utilization patterns and reduce hospital readmission rates.

Reimbursement & Billing Impact

Reimbursement may depend on the underlying cause and the complexity of the treatment provided. Common denials can occur if the documentation does not clearly establish the medical necessity for the procedure or if the diagnosis is not supported by clinical evidence. Coders should ensure that all relevant details are captured in the medical record to facilitate accurate billing and reduce the risk of audits.

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 K66.1?

K66.1 encompasses hemoperitoneum due to trauma, ruptured ectopic pregnancy, liver disease, or malignancies. It is essential to document the underlying cause to ensure accurate coding.

When should K66.1 be used instead of related codes?

K66.1 should be used when there is confirmed blood in the peritoneal cavity, especially when it is clinically significant or requires intervention. Related codes may apply if the condition is secondary to another diagnosis.

What documentation supports K66.1?

Documentation should include clinical findings, imaging results, laboratory tests, and any surgical notes if applicable. Clear evidence of the cause of hemoperitoneum is crucial for accurate coding.