E84.11 Meconium ileus in cystic fibrosis

The ICD-10-CM code for Meconium ileus in cystic fibrosis is E84.11 (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 E84

7 codes (5 billable)

FY2026 Status

Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to E84.11:

• Mucoviscidosis › with meconium obstruction
• Meconium › ileus, newborn › in cystic fibrosis
• Ileus (bowel) (colon) (inhibitory) (intestine) › meconium › in cystic fibrosis
• Meconium › obstruction, newborn › in mucoviscidosis
• Obstruction, obstructed, obstructive › meconium (plug) › newborn › in mucoviscidosis
• Ileus (bowel) (colon) (inhibitory) (intestine) › newborn › due to meconium › in cystic fibrosis
• Obstruction, obstructed, obstructive › intestine › newborn › due to › meconium (plug) › in mucoviscidosis

U.S. Hospital Utilization

• An estimated 95 U.S. inpatient stays in 2023 included E84.11 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)