ICD-10-CM E84: Cystic fibrosis

ICD-10-CM Diagnosis Code (2025)

Official Description for E84

Cystic fibrosis

Coding Notes & Guidelines for E84

Includes Notes

mucoviscidosis

Excludes1: Not Coded Here

meconium ileus not due to cystic fibrosis (P76.0)

Use Additional Code
  • code to identify any infectious organism present, such as:
  • Pseudomonas (B96.5)
Inclusion Terms

Distal intestinal obstruction syndrome

Code Also

exocrine pancreatic insufficiency (K86.81)

Child Codes (More Specific Codes for E84):

E84.0 - Cystic fibrosis with pulmonary manifestations E84.1 - Cystic fibrosis with intestinal manifestations E84.11 - Meconium ileus in cystic fibrosis E84.19 - Cystic fibrosis with other intestinal manifestations E84.8 - Cystic fibrosis with other manifestations E84.9 - Cystic fibrosis, unspecified

About ICD-10-CM Code E84 (Cystic fibrosis)

ICD-10-CM code E84 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM E84 became effective on October 1, 2024.

This page provides detailed information about E84 - Cystic fibrosis. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Cystic fibrosis.