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ICD-10 Coding for Normal Tension Glaucoma(H40.1211, H40.11, H40.12)

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Comprehensive guide on ICD-10 coding for normal tension glaucoma, including documentation requirements, coding pitfalls, and billing considerations.

Also known as:
Low Tension GlaucomaNormal Pressure Glaucoma
Related ICD-10 Code Ranges

Complete code families applicable to Normal Tension Glaucoma

H00-H59Primary Range

Diseases of the eye and adnexa

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Primary ICD-10-CM Codes
Low-tension glaucoma, right eye, mild stage
H40.1211Billable
Differential Codes

Alternative codes to consider when ruling out similar conditions

Primary open-angle glaucomaH40.11

Use if IOP >21 mmHg is present.

Documentation & Coding Risks

Avoid these common issues when documenting Normal Tension Glaucoma.

Failing to document optic nerve changes

Impact

Clinical: May lead to misdiagnosis or inappropriate treatment., Regulatory: Non-compliance with coding standards., Financial: Potential loss of reimbursement due to incomplete documentation.

Mitigation

Ensure detailed optic nerve assessments are included in every visit note., Use standardized templates for documentation.

Using a bilateral code when stages differ between eyes

Impact

Reimbursement: Incorrect coding can affect HCC scores and reimbursement., Compliance: May lead to audit issues due to inaccurate documentation., Data Quality: Impacts the accuracy of patient records and data analytics.

Mitigation

Code each eye separately with the appropriate stage.

Laterality and Stage Documentation

Impact

Inaccurate documentation of laterality and stage can lead to audit flags.

Mitigation

Implement double-check systems for documentation accuracy.

Frequently Asked Questions

Related condition guides

Documentation requirements, coding pitfalls and FAQs for conditions coded with H40.1211.