H40.51X1
✓ Billable
Glaucoma secondary to other eye disorders, right eye, mild stage
ICD-10-CM · FY2026 · Diseases of the Eye and Adnexa
Code
H40.51X1
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Diseases of the Eye and Adnexa
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code H40.51X1?
ICD-10-CM code H40.51X1 represents Glaucoma secondary to other eye disorders, right eye, mild stage. It is a billable diagnosis code in the Diseases of the Eye and Adnexa chapter, effective October 1, 2025 – September 30, 2026.
Is H40.51X1 billable?
Yes. H40.51X1 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is H40.51X1 in?
H40.51X1 belongs to the Diseases of the Eye and Adnexa chapter (H00–H59) of ICD-10-CM.
Related codes in the H40 category
H40
Glaucoma
Non-billable
H40.0
Glaucoma suspect
Non-billable
H40.1
Open-angle glaucoma
Non-billable
H40.2
Primary angle-closure glaucoma
Non-billable
H40.3
Glaucoma secondary to eye trauma
Non-billable
H40.4
Glaucoma secondary to eye inflammation
Non-billable
H40.5
Glaucoma secondary to other eye disorders
Non-billable
H40.6
Glaucoma secondary to drugs
Non-billable
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