H40.112 ICD-10-CM Code: Primary open-angle glaucoma, left eye
H40.112 isn’t billable on its own. Choose one of the 5 billable codes beneath it, the one the documentation supports.
Official description
H40.112Primary open-angle glaucoma, left eye
ICD-10-CM diagnosis code · United States clinical modification
Billable codes under H40.112
H40.112 can’t be reported on its own. Choose the code below that matches what the note documents.
H40.1120Primary open-angle glaucoma, left eye, stage unspecifiedH40.1121Primary open-angle glaucoma, left eye, mild stageH40.1122Primary open-angle glaucoma, left eye, moderate stageH40.1123Primary open-angle glaucoma, left eye, severe stageH40.1124Primary open-angle glaucoma, left eye, indeterminate stageCoding tips for H40.112
The same condition on the other side
This code carries the side. Use the one the note supports; codes for an unspecified side should rarely be used.
Where H40.112 sits
- 1
Chapter 7
Diseases of the eye and adnexa (H00-H59)
- 2
Section
Glaucoma (H40-H42)
- 3
Category H40
Glaucoma
- 4
Subcategory H40.11
Primary open-angle glaucoma
- 5
Code H40.112
Primary open-angle glaucoma, left eye
Notes for this code
Inclusion terms
No inclusion terms are listed for H40.112.
Code first
No “code first” instruction is listed for H40.112.
Use additional code
No “use additional code” instruction is listed for H40.112.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for H40.112.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for H40.112.
Source and release
- Data release
- U.S. ICD-10-CM · FY 2027
- Effective date
- Oct 1, 2026
- Publisher
- Vero Scribe Inc.
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Frequently asked questions
What does ICD-10-CM code H40.112 mean?
H40.112 is the FY 2027 U.S. ICD-10-CM code for “Primary open-angle glaucoma, left eye.”
Is H40.112 a billable or specific ICD-10-CM code?
No. H40.112 has 5 billable codes beneath it in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is H40.112 located in ICD-10-CM?
H40.112 is listed in Chapter 7, Diseases of the eye and adnexa (H00-H59), within Glaucoma (H40-H42) (H40–H42), under category H40, Glaucoma and subcategory H40.11, Primary open-angle glaucoma.
What coding notes are listed for H40.112?
No inclusion terms are listed for H40.112 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.