What is the ICD-10 code for open-angle glaucoma?

The ICD-10 code for primary open-angle glaucoma varies by laterality and stage, such as H40.1111 for mild stage in the right eye.

How do you document open-angle glaucoma?

Document open-angle glaucoma by specifying the type, laterality, and stage, such as 'primary open-angle glaucoma, right eye, moderate stage.'

ICD-10 Coding for Open-Angle Glaucoma(H40.1111, H40.0, H40.11)

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Explore detailed ICD-10 coding guidelines for open-angle glaucoma, including documentation requirements and common pitfalls.

Also known as:

Primary Open-Angle GlaucomaChronic Open-Angle Glaucoma

Related ICD-10 Code Ranges

Complete code families applicable to Open-Angle 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

Code	Description	When to Use	Key Documentation
H40.1111	Primary open-angle glaucoma, right eye, mild stage	Use when documenting mild stage primary open-angle glaucoma in the right eye.	IOP >21mmHg Optic nerve head changes Visual field defects
H40.1133	Primary open-angle glaucoma, bilateral, severe stage	Use when documenting severe stage primary open-angle glaucoma affecting both eyes.	IOP >21mmHg Severe optic nerve damage Significant visual field loss

Primary ICD-10-CM Codes

Primary open-angle glaucoma, right eye, mild stage

H40.1111Billable

Differential Codes

Alternative codes to consider when ruling out similar conditions

Low-tension glaucoma, right eye, mild stageH40.1211

Use when IOP is not elevated but optic nerve damage is present.

Low-tension glaucoma, bilateral, severe stageH40.1233

Use when IOP is not elevated but severe optic nerve damage is present.

Documentation & Coding Risks

Avoid these common issues when documenting Open-Angle Glaucoma.

Failing to document the stage of glaucoma

Impact

Clinical: Inaccurate clinical records., Regulatory: Non-compliance with coding standards., Financial: Potential for denied claims.

Mitigation

Use templates that prompt for stage documentation., Educate staff on the importance of complete documentation.

Using unspecified codes when specific codes are available

Impact

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

Mitigation

Always document and code the specific type, laterality, and stage of glaucoma.

Incomplete documentation

Impact

Failure to document all necessary elements for glaucoma coding.

Mitigation

Use comprehensive templates and conduct regular audits.

Frequently Asked Questions

Documentation requirements, coding pitfalls and FAQs for conditions coded with H40.1111.

Primary Code

H40.1111

Primary open-angle glaucoma, right eye, mild stage

Quick Navigation

ICD-10 codes12

Coding risks3

FAQs2

ICD-10 Coding for Open-Angle Glaucoma(H40.1111, H40.0, H40.11)

Documentation & Coding Risks

Frequently Asked Questions

What is the ICD-10 code for open-angle glaucoma?

How do you document open-angle glaucoma?

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