H40.50
⚠ Non-billable (Header)Glaucoma secondary to other eye disorders, unspecified eye
Diseases of the eye and adnexa (H00-H59)
⚠️ This is a category header code — not billable. Use a more specific child code below.
✅ No additional coding notes for H40.50
Child Codes (5)
H40.50X0Glaucoma secondary to other eye disorders, unspecified eye, stage unspecifiedH40.50X1Glaucoma secondary to other eye disorders, unspecified eye, mild stageH40.50X2Glaucoma secondary to other eye disorders, unspecified eye, moderate stageH40.50X3Glaucoma secondary to other eye disorders, unspecified eye, severe stageH40.50X4Glaucoma secondary to other eye disorders, unspecified eye, indeterminate stage
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CodeH40.50
BillableNo — Header code
ParentH40.5
CategoryDiseases of the eye and adnexa (H00-H59)
Excludes10 rule(s)
Excludes20 note(s)
Child codes5
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)