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ICD-10 Coding for Glaucoma(H40.11, H40.0, H40.05)

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Explore detailed ICD-10 coding guidelines for glaucoma, including primary open-angle and chronic angle-closure types. Learn about documentation requirements and coding pitfalls.

Also known as:
Ocular HypertensionPrimary Open-Angle GlaucomaChronic Angle-Closure Glaucoma
Related ICD-10 Code Ranges

Complete code families applicable to Glaucoma

H00-H59Primary Range

Diseases of the eye and adnexa

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Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescription
H40.11Primary open-angle glaucoma
H40.22Chronic angle-closure glaucoma
Primary ICD-10-CM Codes
Primary open-angle glaucoma
H40.11
Differential Codes

Alternative codes to consider when ruling out similar conditions

Glaucoma suspectH40.0

Use when glaucoma is suspected but not confirmed.

Ocular hypertensionH40.05

Use when elevated IOP is present without optic nerve damage.

Documentation & Coding Risks

Avoid these common issues when documenting Glaucoma.

Failing to document laterality

Impact

Clinical: May lead to inappropriate treatment., Regulatory: Non-compliance with coding standards., Financial: Potential for claim denials.

Mitigation

Always include laterality in documentation., Use templates to ensure completeness.

Using unspecified codes when specific details are available.

Impact

Reimbursement: May lead to denied claims or reduced reimbursement., Compliance: Non-compliance with coding guidelines., Data Quality: Decreases accuracy of healthcare data.

Mitigation

Always use the most specific code available, including laterality and stage.

Staging Documentation

Impact

Inadequate documentation of glaucoma stage.

Mitigation

Use standardized templates to ensure complete documentation.

Frequently Asked Questions

Related condition guides

Documentation requirements, coding pitfalls and FAQs for conditions coded with H40.11.