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Non-billableCystic 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
What this means — in plain language
MedlinePlus · NIHCystic fibrosis (CF) is an inherited disease of the mucus and sweat glands. It affects mostly your lungs, pancreas, liver, intestines, sinuses, and sex organs. CF causes your mucus to be thick and sticky. The mucus clogs the lungs, causing breathing problems and making it easy for bacteria to grow. This can lead to repeated lung infections and lung damage. The symptoms and severity of CF can vary. Some people have…
Read more about Cystic Fibrosis at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Includes
- •mucoviscidosis
Notes
- •exocrine pancreatic insufficiency (K86.81)
Medications indicated for this condition
FDA labeling- Leucovorin›
- IvacaftorCystic Fibrosis Transmembrane Conductance Regulator Potentiator [EPC]›
- TezacaftorCystic Fibrosis Transmembrane Conductance Regulator Potentiator [EPC]›
- Tobramycin SolutionAminoglycoside Antibacterial [EPC]›
Drugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.
Conditions mapped to this code
MedlinePlus · NIHPlain-language health-topic references grounded in MedlinePlus (NIH/NLM).
5 rare diseases filed under this code
Orphanet · INSERMOrphadata Science: Free access data from Orphanet. © INSERM 1999. 1 of these are exact ICD-10 matches; the rest are broader-bucket mappings.
Benefits & assistance programs
Federal & state- AABD Cash AssistanceIdaho›
- ACL Assistive TechnologyADMINISTRATION FOR COMMUNITY LIVING (ACL)›
- ACL Assistive Technology State Grants for Protection and AdvocacyADMINISTRATION FOR COMMUNITY LIVING (ACL)›
- ACL Centers for Independent LivingADMINISTRATION FOR COMMUNITY LIVING (ACL)›
- ACL Independent Living State GrantsADMINISTRATION FOR COMMUNITY LIVING (ACL)›
- Adult Day CareHawaii · also in 5 other states›
- Adult Day Care ServicesOregon›
- Adult Day HealthWashington›
- Adult Day Health CareNorth Carolina›
- Adult Day/Health Care CentersCalifornia›
- Adult Day ServiceSouth Carolina›
- Adult Day ServicesVermont›
Assistance programs whose eligibility maps to this condition's category. Informational only — eligibility is determined by the administering agency.
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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