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ICD-10 Guide
ICD-10 CodesI62.02

I62.02

Billable

Nontraumatic subacute subdural hemorrhage

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

Code Description

ICD-10 I62.02 is a billable code used to indicate a diagnosis of nontraumatic subacute subdural hemorrhage.

Key Diagnostic Point:

Nontraumatic subacute subdural hemorrhage (SDH) is a collection of blood between the dura mater and the brain, occurring without a traumatic event. This condition typically arises from the rupture of bridging veins due to age-related brain atrophy, coagulopathy, or anticoagulant therapy. Clinically, patients may present with symptoms such as headache, confusion, seizures, or focal neurological deficits, which can develop gradually over days to weeks. The anatomy involved includes the dura mater, the arachnoid membrane, and the cerebral cortex. Disease progression can lead to increased intracranial pressure, brain herniation, or permanent neurological damage if not addressed promptly. Diagnostic considerations include imaging studies like CT or MRI, which can reveal the characteristic crescent-shaped collection of blood. Differential diagnoses may include other types of hemorrhages or strokes, necessitating careful evaluation to ensure accurate diagnosis and treatment planning.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Diagnostic complexity: Requires imaging and clinical correlation.
  • Treatment complexity: May involve neurosurgical intervention or medical management.
  • Documentation requirements: Detailed clinical notes and imaging reports are essential.
  • Coding specificity: Requires precise coding to differentiate from other types of hemorrhages.

Audit Risk Factors

  • Common coding errors: Misclassification with traumatic subdural hemorrhage codes.
  • Documentation gaps: Incomplete clinical notes regarding the onset and progression of symptoms.
  • Billing challenges: Potential denials due to lack of supporting documentation for nontraumatic causes.

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

Neurosurgery

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

Nontraumatic subacute subdural hemorrhage has significant clinical implications, particularly in elderly populations where anticoagulant use is prevalent. It can lead to increased healthcare utilization due to hospital admissions, potential surgical interventions, and rehabilitation needs. Understanding the epidemiology of this condition is crucial for developing preventive strategies and improving patient outcomes.

ICD-9 vs ICD-10

Nontraumatic subacute subdural hemorrhage has significant clinical implications, particularly in elderly populations where anticoagulant use is prevalent. It can lead to increased healthcare utilization due to hospital admissions, potential surgical interventions, and rehabilitation needs. Understanding the epidemiology of this condition is crucial for developing preventive strategies and improving patient outcomes.

Reimbursement & Billing Impact

Reimbursement considerations include the necessity of demonstrating medical necessity for imaging and treatment. Common denials may arise from insufficient documentation or misclassification of the hemorrhage type. Coders should ensure that all relevant clinical details are captured to support the diagnosis and justify the services billed.

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 I62.02?

I62.02 specifically covers nontraumatic subacute subdural hemorrhage, which can occur due to factors such as anticoagulant use, coagulopathy, or spontaneous rupture of blood vessels. It is important to differentiate this from traumatic causes, which are coded differently.

When should I62.02 be used instead of related codes?

I62.02 should be used when the subdural hemorrhage is confirmed to be nontraumatic and in the subacute phase, typically defined as occurring between 3 days to 3 weeks post-event. If the hemorrhage is acute or traumatic, other codes should be selected.

What documentation supports I62.02?

Documentation should include clinical notes detailing the patient's history, presenting symptoms, imaging results confirming the diagnosis, and any relevant laboratory findings that support the nontraumatic nature of the hemorrhage.