ICD-10 Coding for Idiopathic Intracranial Hypertension(G93.2)
Complete ICD-10-CM coding and documentation guide for Idiopathic Intracranial Hypertension. Includes clinical validation requirements, documentation requirements, and coding pitfalls.
Also known as:
Related ICD-10 Code Ranges
Complete code families applicable to Idiopathic Intracranial Hypertension
G93.2Primary Range
Benign intracranial hypertension
This is the primary code for idiopathic intracranial hypertension, used when the condition is confirmed as idiopathic.
Disorders of optic nerve and visual pathways
Includes codes for papilledema, which is often associated with IIH.
Key Information: ICD-10 code for idiopathic intracranial hypertension
Essential facts and insights about Idiopathic Intracranial Hypertension
Primary ICD-10-CM Code for idiopathic intracranial hypertension
Decision Criteria
clinical Criteria
- Confirmed raised intracranial pressure with normal imaging
documentation Criteria
- Absence of secondary causes in clinical notes
Applicable To
- Idiopathic intracranial hypertension
- Pseudotumor cerebri
Excludes
- Intracranial hypertension due to other causes
Clinical Validation Requirements
- Lumbar puncture showing opening pressure ≥250 mmH₂O
- Normal neuroimaging excluding mass lesions or venous sinus thrombosis
- Normal CSF composition
Code-Specific Risks
- Incorrectly coding secondary intracranial hypertension as idiopathic
Coding Notes
- Ensure documentation supports the idiopathic nature of the condition.
Ancillary Codes
Additional codes that should be used in conjunction with the main diagnosis codes when applicable.
Documentation & Coding Risks
Avoid these common documentation and coding issues when documenting Idiopathic Intracranial Hypertension to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code G93.2.
Impact
Clinical: May lead to misdiagnosis or inappropriate treatment., Regulatory: Non-compliance with documentation standards., Financial: Potential claim denials or reduced reimbursement.
Mitigation Strategy
Use specific diagnostic criteria in documentation, Include detailed clinical findings
Impact
Reimbursement: Incorrect coding may lead to claim denials., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate data affecting patient records and statistics.
Mitigation Strategy
Ensure all secondary causes are ruled out and documentation supports idiopathic diagnosis.
Impact
Claims may be audited if documentation does not support the idiopathic nature of the condition.
Mitigation Strategy
Ensure all diagnostic criteria are documented and secondary causes are ruled out.
Documentation errors, coding pitfalls, and audit risks are interconnected aspects of medical coding and billing. Addressing all three areas helps ensure accurate coding, optimal reimbursement, and regulatory compliance.
Frequently Asked Questions
Common questions about ICD-10 coding for Idiopathic Intracranial Hypertension, with expert answers to help guide accurate code selection and documentation.
Documentation Templates for Idiopathic Intracranial Hypertension
Use these documentation templates to ensure complete and accurate documentation for Idiopathic Intracranial Hypertension. These templates include all required elements for proper coding and billing.
Diagnosis of IIH in a patient with papilledema
Specialty: NeurologyRequired Elements
- Lumbar puncture results
- Neuroimaging findings
- Ophthalmologic examination
Example Documentation
Examples: Poor vs. Good Documentation
Poor Documentation Example
Good Documentation Example
Explanation
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