H40.43 – Glaucoma secondary to eye inflammation, bilateral
ICD-10-CM 2027 diagnosis code · Glaucoma
- Code
H40.43(claims format:H4043)- Description
- Glaucoma secondary to eye inflammation, bilateral
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 7. Diseases of the eye and adnexa (H00-H59)
- Block
- H40-H42 Glaucoma
- Parent codes
- H40 › H40.4
Billable codes under H40.43
H40.43 is a header code and cannot be used on claims. Choose the most specific code:
- H40.43X0 – Glaucoma secondary to eye inflammation, bilateral, stage unspecifiedBillable
- H40.43X1 – Glaucoma secondary to eye inflammation, bilateral, mild stageBillable
- H40.43X2 – Glaucoma secondary to eye inflammation, bilateral, moderate stageBillable
- H40.43X3 – Glaucoma secondary to eye inflammation, bilateral, severe stageBillable
- H40.43X4 – Glaucoma secondary to eye inflammation, bilateral, indeterminate stageBillable
7th character values
Codes in this category need a 7th character to describe the encounter or episode of care (use placeholder X for empty positions).
| Character | Meaning |
|---|---|
0 | stage unspecified |
1 | mild stage |
2 | moderate stage |
3 | severe stage |
4 | indeterminate stage |
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
H40 – Glaucoma
H40.4 – Glaucoma secondary to eye inflammation
- underlying condition
- One of the following 7th characters is to be assigned to each code in subcategory H40.4 to designate the stage of glaucoma
Related codes in H40.4
Frequently asked questions
What is ICD-10 code H40.43?
H40.43 is the ICD-10-CM code for glaucoma secondary to eye inflammation, bilateral, in the block H40-H42 (Glaucoma).
Is H40.43 a billable code?
No. H40.43 is a header code with more specific child codes; report one of the billable codes listed above.
What category does H40.43 belong to?
It belongs to category H40 – Glaucoma.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.