H59.029 Cataract (lens) fragments in eye following cataract surgery, unspecified eye

The ICD-10-CM code for Cataract (lens) fragments in eye following cataract surgery, unspecified eye is H59.029 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Chapter

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

Section

H59: Intraoperative and postprocedural complications and disorders of eye and adnexa, not elsewhere classified (H59)

Category H59

88 codes (66 billable)

FY2026 Status

Stable since FY2024

U.S. Hospital Utilization

• An estimated 115 U.S. inpatient stays in 2023 included H59.029 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)