E72.04 Cystinosis

The ICD-10-CM code for Cystinosis is E72.04 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Chapter

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

Section

E70-E88: Metabolic disorders (E70-E88)

Category E72

39 codes (31 billable)

FY2026 Status

Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to E72.04:

• Cystinosis (malignant)
• Abderhalden-Kaufmann-Lignac syndrome (cystinosis)
• Toni-Fanconi syndrome (cystinosis) › with cystinosis
• Lignac (-de Toni) (-Fanconi) (-Debré) disease or syndrome › with cystinosis
• De Toni-Fanconi (-Debré) syndrome › with cystinosis
• Fanconi (-de Toni)(-Debré) syndrome › with cystinosis
• Disease, diseased › Lignac's (cystinosis)
• Disorder (of) › amino-acid › cystinosis

Inclusion Terms

• Fanconi (-de Toni) (-Debré) syndrome with cystinosis

U.S. Hospital Utilization

• An estimated 300 U.S. inpatient stays in 2023 included E72.04 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)