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ICD-10 Coding for Neuromyelitis Optica(G36.0, H46.9)

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Comprehensive guide on ICD-10 coding for neuromyelitis optica, including documentation requirements, clinical validation, and common pitfalls.

Also known as:
Devic's DiseaseNMONeuromyelitis Optica Spectrum Disorder
Related ICD-10 Code Ranges

Complete code families applicable to Neuromyelitis Optica

G00-G99Primary Range

Diseases of the nervous system

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Primary ICD-10-CM Codes
Neuromyelitis optica [Devic]
G36.0Billable
Differential Codes

Alternative codes to consider when ruling out similar conditions

Unspecified optic neuritisH46.9

Documentation & Coding Risks

Avoid these common issues when documenting Neuromyelitis Optica.

Failure to document MRI findings

Impact

Clinical: Inaccurate diagnosis and treatment planning., Regulatory: Non-compliance with documentation standards., Financial: Potential claim denials due to insufficient documentation.

Mitigation

Ensure MRI reports are included in patient records, Verify documentation before claim submission

Using H46.9 instead of G36.0 when NMOSD criteria are met

Impact

Reimbursement: Incorrect coding may lead to denied claims., Compliance: Non-compliance with ICD-10 guidelines., Data Quality: Inaccurate clinical data representation.

Mitigation

Confirm NMOSD diagnosis with AQP4-IgG and MRI findings before coding.

NMOSD coding without serology

Impact

Coding NMOSD without documented AQP4-IgG results.

Mitigation

Require serology documentation before coding.

Frequently Asked Questions