E10.359 Type 1 diabetes mellitus with proliferative diabetic retinopathy without macular edema

The ICD-10-CM code for Type 1 diabetes mellitus with proliferative diabetic retinopathy without macular edema is E10.359 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Chapter

4: Endocrine, nutritional and metabolic diseases (E00-E89)

Section

E08-E13: Diabetes mellitus (E08-E13)

Category E10

65 codes (48 billable)

FY2026 Status

Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to E10.359:

• Diabetes, diabetic (mellitus) (sugar) › type 1 › with › retinopathy › proliferative

U.S. Hospital Utilization

• An estimated 2,480 U.S. inpatient stays in 2016 included E10.359 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

Diabetes mellitus (TOC entry)

a. Diabetes mellitus ................................................................................................................... 39

Obesity (TOC entry)

b. Obesity .................................................................................................................................. 42

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)