H40.41X3 Glaucoma secondary to eye inflammation, right eye, severe stage

ICD-10-CM H40.41X3: Glaucoma secondary to eye inflammation, right eye, severe stage

ICD-10-CM code H40.41X3 identifies glaucoma secondary to eye inflammation in the right eye at a severe stage. The code is an active terminology concept with a parent category for right eye inflammatory glaucoma. It appears in Medicare billing articles for ophthalmic diagnostic imaging and corneal pachymetry, though inclusion does not guarantee payer coverage. 1 5 6

Plain-language overview

This diagnosis concept represents a disease or syndrome with the preferred name of glaucoma secondary to eye inflammation, right eye, severe stage, according to the active terminology record. 1

What this code represents

The terminology record assigns the preferred name Glaucoma secondary to eye inflammation, right eye, severe stage to H40.41X3 and maintains an active status for this diagnostic concept. 1

H40.41X3 is a narrower concept under the parent code H40.41, which categorizes glaucoma secondary to eye inflammation in the right eye without specifying severity. 1

Coding details

The seventh character X3 specifies the severe stage for right eye inflammatory glaucoma, distinguishing it from moderate stage H40.41X2 and indeterminate stage H40.41X4. 4 5

The terminology includes alternative lateralities and severities for this condition, listing concepts for left eye severe stage, bilateral severe stage, and unspecified eye severe stage. 3

Documentation considerations

The official terminology label for this code explicitly specifies the right eye and severe stage, providing distinct clinical elements that differentiate this concept from related codes. 1 3

Coverage and utilization context

The code appears in Medicare billing articles for scanning computerized ophthalmic diagnostic imaging and corneal pachymetry, but its presence in these documents does not independently guarantee coverage. 5 6

What the sources add

While the terminology record defines the diagnostic label, the Medicare billing articles list the code within documents that also address scanning computerized ophthalmic diagnostic imaging and corneal pachymetry. 1 5 6

A clinical reference text describes severe lens-induced glaucoma as involving pronounced inflammation and structural changes, though it does not define the target code itself. 2

Sources

1. ICD-10-CM H40.41X3 terminology record — National Cancer Institute Enterprise Vocabulary Services; accessed 2026-07-27.
2. Bookshelf — ncbi.nlm.nih.gov; accessed 2026-07-27.
3. Phecode 365 · ExPRSweb — csg.sph.umich.edu; accessed 2026-07-27.
4. EVS Explore — evsexplore.semantics.cancer.gov; accessed 2026-07-27.
5. Article - Billing and Coding: Scanning Computerized Ophthalmic Diagnostic Imaging (SCODI) (A57804) — cms.gov; accessed 2026-07-27.
6. Article - Billing and Coding: Corneal Pachymetry (A56457) — cms.gov; accessed 2026-07-27.