H11.429 Conjunctival edema, unspecified eye

The ICD-10-CM code for Conjunctival edema, unspecified eye is H11.429 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Chapter

7: Diseases of the eye and adnexa (H00-H59)

Section

H10-H11: Disorders of conjunctiva (H10-H11)

Category H11

124 codes (95 billable)

FY2026 Status

Stable since FY2024

U.S. Hospital Utilization

• An estimated 205 U.S. inpatient stays in 2023 included H11.429 among the documented diagnoses.

Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.

Official Coding Guidelines

Glaucoma (TOC entry)

a. Glaucoma .............................................................................................................................. 48

Assigning glaucoma codes (use as many H40 codes as needed)

Assign as many codes from category H40, Glaucoma, as needed to identify the type of glaucoma, the affected eye, and the glaucoma stage.

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

• CMS — ICD-10-CM Official Code Set and Guidelines, FY2026
• CDC/NCHS — ICD-10-CM Files and Browser Tool
• AHRQ — HCUP National Inpatient Sample, Frequencies by Diagnosis Code (2016–2023)

Cite This Page

Reference H11.429 with the canonical source and edition:

H11.429 — Conjunctival edema, unspecified eye. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/H11.429

Canonical URL: https://icd10codingpro.com/codes/H11.429