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ICD-10 Guide
ICD-10 CodesI67.6

I67.6

Billable

Nonpyogenic thrombosis of intracranial venous system

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

Code Description

ICD-10 I67.6 is a billable code used to indicate a diagnosis of nonpyogenic thrombosis of intracranial venous system.

Key Diagnostic Point:

Nonpyogenic thrombosis of the intracranial venous system refers to the formation of a thrombus within the venous channels of the brain, which can lead to increased intracranial pressure and potential neurological deficits. Clinically, patients may present with symptoms such as headache, visual disturbances, seizures, and focal neurological signs depending on the location and extent of the thrombosis. The anatomy involved includes the major venous sinuses such as the superior sagittal sinus, transverse sinus, and the deep venous system. Disease progression can vary; some patients may experience acute symptoms while others may have a more insidious onset. Diagnostic considerations include neuroimaging techniques such as MRI or CT venography to visualize the thrombosis and assess for secondary complications like hemorrhage. Laboratory tests may also be performed to identify underlying coagulopathies or risk factors contributing to thrombosis. Early diagnosis and management are crucial to prevent long-term sequelae and improve patient outcomes.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

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

Audit Risk Factors

  • Common coding errors
  • Documentation gaps
  • Billing challenges

Specialty Focus

Medical Specialties

Neurology

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

Radiology

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 I67.6 lies in its potential to cause severe neurological deficits if not diagnosed and treated promptly. Population health impact includes a growing recognition of cerebral venous sinus thrombosis as a significant cause of stroke in younger populations. Quality measures may focus on timely diagnosis and management to reduce morbidity. Healthcare utilization patterns indicate an increase in neuroimaging studies as awareness of this condition rises, highlighting the need for effective management strategies and preventive measures in at-risk populations.

ICD-9 vs ICD-10

The clinical significance of I67.6 lies in its potential to cause severe neurological deficits if not diagnosed and treated promptly. Population health impact includes a growing recognition of cerebral venous sinus thrombosis as a significant cause of stroke in younger populations. Quality measures may focus on timely diagnosis and management to reduce morbidity. Healthcare utilization patterns indicate an increase in neuroimaging studies as awareness of this condition rises, highlighting the need for effective management strategies and preventive measures in at-risk populations.

Reimbursement & Billing Impact

Reimbursement considerations may vary based on the complexity of the case and the interventions performed. Common denials can occur if documentation does not clearly establish the diagnosis or if the medical necessity for imaging is not adequately justified. Best practices include ensuring that all relevant clinical information is included in the medical record and that coding is specific to the patient's condition.

Resources

Clinical References

  • •
    ICD-10 Official Guidelines for I00-I99
  • •
    Clinical Documentation Requirements

Coding & Billing References

  • •
    ICD-10 Official Guidelines for I00-I99
  • •
    Clinical Documentation Requirements

Frequently Asked Questions

What specific conditions are covered by I67.6?

I67.6 encompasses conditions such as cerebral venous sinus thrombosis (CVST) and thrombosis of the deep venous system of the brain, which are not associated with infection or pyogenic processes.

When should I67.6 be used instead of related codes?

I67.6 should be used when the thrombosis is confirmed to be nonpyogenic, differentiating it from codes that indicate infectious processes or other types of vascular occlusions.

What documentation supports I67.6?

Documentation should include imaging reports confirming the presence of nonpyogenic thrombosis, clinical notes detailing symptoms, and any laboratory results indicating risk factors for thrombosis.