E84

Non-billable

Cystic fibrosis

E84 is the ICD-10-CM code for Cystic fibrosis. It is a non-billable category code — use a more specific child code such as E84.0 for billing.

Status
Header (non-billable)
Chapter
E00-E89
Subcodes
4
Edition
FY2026

E00-E89 Endocrine, nutritional and metabolic diseases

Includes

  • mucoviscidosis

Notes

  • exocrine pancreatic insufficiency (K86.81)

Frequently asked questions

What is ICD-10 code E84?
E84 is the ICD-10-CM code for "Cystic fibrosis". It falls under E00-E89 Endocrine, nutritional and metabolic diseases.
Is E84 a billable code?
No — E84 is a non-billable header code. Use a more specific child code (such as E84.0) for billing.
What are the subcodes of E84?
E84 has 4 more specific child codes, including E84.0, E84.1, E84.8.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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