N18
Non-billableChronic kidney disease (CKD)
N18 is the ICD-10-CM code for Chronic kidney disease (CKD). It is a non-billable category code — use a more specific child code such as N18.1 for billing.
- Status
- Header (non-billable)
- Chapter
- N00-N99
- Subcodes
- 7
- Edition
- FY2026
N00-N99 Diseases of the genitourinary system
What this means — in plain language
MedlinePlus · NIHYou have two kidneys, each about the size of your fist. Their main job is to filter your blood. They remove wastes and extra water, which become urine. They also keep the body's chemicals balanced, help control blood pressure, and make hormones. Chronic kidney disease (CKD) means that your kidneys are damaged and can't filter blood as they should. This damage can cause wastes to build up in your body. It can also…
Read more about Chronic Kidney Disease at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Code first
Use additional code
Medications indicated for this condition
FDA labeling- DapagliflozinSodium-Glucose Cotransporter 2 Inhibitor [EPC]›
- Magnesium Chloride, Dextrose Anhydrous, Lactic Acid, Sodium Chloride, Sodium Bicarbonate, and Potassium Chloride›
- Sevelamer›
- BumetanideLoop Diuretic [EPC]›
- Chlorothiazide›
- EmpagliflozinSodium-Glucose Cotransporter 2 Inhibitor [EPC]›
- HydrochlorothiazideThiazide Diuretic [EPC]›
- Sodium Chloride, Sodium Lactate, Calcium Chloride, Magnesium Chloride and Dextrose›
- Calcium Acetate›
- Canagliflozin›
- FurosemideLoop Diuretic [EPC]›
- LevofloxacinFluoroquinolone 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).
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
Look up another ICD-10 code or condition