E84 ICD-10-CM Code: Cystic fibrosis
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Official description
E84Cystic fibrosis
ICD-10-CM diagnosis code · United States clinical modification
Where E84 sits
- 1
Chapter 4
Endocrine, nutritional and metabolic diseases (E00-E89)
- 2
Section
Metabolic disorders (E70-E88)
- 3
Category E84
Cystic fibrosis
- 4
Code E84
Cystic fibrosis
Codes under E84
E84 is a non-billable category. Choose the child code that best matches the documented diagnosis.
Notes for this code
Inclusion terms
No inclusion terms are listed for E84.
Code first
No “code first” instruction is listed for E84.
Use additional code
No “use additional code” instruction is listed for E84.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for E84.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for E84.
Source and release
- Data release
- U.S. ICD-10-CM · FY 2027
- Effective date
- Oct 1, 2026
- Publisher
- Vero Scribe Inc.
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Frequently asked questions
What does ICD-10-CM code E84 mean?
E84 is the FY 2027 U.S. ICD-10-CM code for “Cystic fibrosis.”
Is E84 a billable or specific ICD-10-CM code?
No. E84 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is E84 located in ICD-10-CM?
E84 is listed in Chapter 4, Endocrine, nutritional and metabolic diseases (E00-E89), within Metabolic disorders (E70-E88) (E70–E88), under category E84, Cystic fibrosis.
What coding notes are listed for E84?
No inclusion terms are listed for E84 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.