E55.0 Rickets, active

The ICD-10-CM code for Rickets, active is E55.0 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Chapter

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

Section

E50-E64: Other nutritional deficiencies (E50-E64)

Category E55

3 codes (2 billable)

FY2026 Status

Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to E55.0:

• Rosary, rachitic
• Rickets (active) (acute) (adolescent) (chest wall) (congenital) (current) (infantile) (intestinal)
• Morbus › angelicus, anglorum
• Scurvy, scorbutic › rickets
• Tetany (due to) › associated with rickets
• Disease, diseased › English (rickets)
• Calciferol (vitamin D) deficiency › with rickets
• Avitaminosis (multiple) › D › with rickets

Inclusion Terms

• Infantile osteomalacia
• Juvenile osteomalacia

U.S. Hospital Utilization

• An estimated 835 U.S. inpatient stays in 2023 included E55.0 among the documented diagnoses.
• 145 stays listed it as the principal diagnosis.

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)