H40.5
Header — not billableGlaucoma secondary to other eye disorders
The ICD-10 code for glaucoma secondary to other eye disorders is H40.5.
H40.5 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 4 more specific codes below.
Clinical notes
Code also
Two codes may be needed to fully describe a condition, but unlike Code First/Use Additional Code, the sequencing order is not mandated by convention.
- underlying eye disorder
7th character definitions
These definitions specify what each valid 7th-character value means for codes in this category.
- [object Object]
7th character note
This category requires a 7th character to indicate additional clinical detail (e.g. encounter type: initial, subsequent, sequela). The code is incomplete without it.
- One of the following 7th characters is to be assigned to each code in subcategory H40.5 to designate the stage of glaucoma
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •This category requires a 7th character. Documentation should clearly indicate the episode of care (initial encounter, subsequent encounter, or sequela).
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- H40.0Glaucoma suspectnon-billable header
- H40.1Open-angle glaucomanon-billable header
- H40.2Primary angle-closure glaucomanon-billable header
- H40.3Glaucoma secondary to eye traumanon-billable header
- H40.4Glaucoma secondary to eye inflammationnon-billable header
- H40.6Glaucoma secondary to drugsnon-billable header
- H40.8Other glaucomanon-billable header
- H40.9Unspecified glaucoma
- H40.5Glaucoma secondary to other eye disordersnon-billable header