E84Header code — not billable

Cystic fibrosis

Chapter
4. Endocrine, nutritional and metabolic diseases
Category
E84
Effective date
October 1, 2026

Related codes in category E84

E84.0Cystic fibrosis with pulmonary manifestationsYesE84.1Cystic fibrosis with intestinal manifestationsE84.11Meconium ileus in cystic fibrosisYesE84.19Cystic fibrosis with other intestinal manifestationsYesE84.8Cystic fibrosis with other manifestationsYesE84.9Cystic fibrosis, unspecifiedYes

Frequently asked questions

What is ICD-10 code E84?

E84 is an ICD-10-CM diagnosis code for Cystic fibrosis.

Is E84 a billable code?

No. E84 is a category/header code, not billable on its own — use one of its more specific child codes instead.

What ICD-10-CM chapter is E84 in?

E84 falls under Chapter 4: Endocrine, nutritional and metabolic diseases.

When did E84 become effective?

E84 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to E84?

E84 belongs to category E84, which includes 6 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.