Chronic kidney disease, stage 1
- N18.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2025 edition of ICD-10-CM N18.1 became effective on October 1, 2024.
- This is the American ICD-10-CM version of N18.1 – other international versions of ICD-10 N18.1 may differ.
The following code(s) above N18.1 contain annotation back-references
that may be applicable to N18.1:
- N00-N99 Diseases of the genitourinary system
- N17-N19 Acute kidney failure and chronic kidney disease
- N18 Chronic kidney disease (CKD)
Approximate Synonyms
- Anemia co-occurrent and due to chronic kidney disease stage 1
- Anemia in chronic kidney disease stage 1
- Benign htn heart and ckd, 1 (gfr>=90)
- Benign htn heart and ckd, 1 (gfr>=90), w chf
- Benign hypertensive heart and chronic renal disease stage 1
- Benign hypertensive heart and chronic renal disease stage 1 with congestive heart failure
- Benign hypertensive heart disease and chronic renal disease stage 1
- Chronic kidney disease stage 1
- Chronic kidney disease stage 1 associated with type 2 diabetes mellitus
- Chronic kidney disease stage 1 due to benign hypertension
- Chronic kidney disease stage 1 due to drug induced diabetes
- Chronic kidney disease stage 1 due to hypertension
- Chronic kidney disease stage 1 due to secondary diabetes
- Chronic kidney disease stage 1 due to type 1 diabetes mellitus
- Chronic kidney disease stage 1 due to type 2 diabetes mellitus
- Chronic kidney disease, mild
- Diabetes type 1 with mild chronic kidney disease
- Diabetes type 2 with mild chronic kidney disease
- Diabetes type 2 with mild kidney disease
- Drug induced diabetes with mild chronic kidney disease
- Hypertension in chronic kidney disease stage 1 due to type 2 diabetes mellitus
- Hypertensive chronic kidney disease, mild
- Hypertensive heart and chronic kidney disease stage 1
- Hypertensive heart and chronic kidney disease stage 1 with congestive heart failure
- Hypertensive kidney and heart disease
- Hypertensive kidney and mild chronic kidney disease
- Malignant htn heart and ckd, 1 (gfr>= 90)
- Malignant hypertensive chronic kidney disease stage 1
- Malignant hypertensive heart and chronic kidney disease stage 1
- Secondary diabetes with chronic kidney disease
- Severe chronic kidney failure with hypertension
Clinical Information
- Long-standing and persistent renal disease with glomerular filtration rate (gfr) greater than 90 ml/min.
ICD-10-CM N18.1 is grouped within Diagnostic Related Group(s) (MS-DRG v42.0):
- 008 Simultaneous pancreas and kidney transplant
- 019 Simultaneous pancreas and kidney transplant with hemodialysis
- 682 Renal failure with mcc
- 683 Renal failure with cc
- 684 Renal failure without cc/mcc
Convert N18.1 to ICD-9-CMCode History
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 2017 (effective 10/1/2016): No change
- 2018 (effective 10/1/2017): No change
- 2019 (effective 10/1/2018): No change
- 2020 (effective 10/1/2019): No change
- 2021 (effective 10/1/2020): No change
- 2022 (effective 10/1/2021): No change
- 2023 (effective 10/1/2022): No change
- 2024 (effective 10/1/2023): No change
- 2025 (effective 10/1/2024): No change
Code annotations containing back-references to N18.1:
- Use Additional: E08.22, E09.22, E10.22, E11.22, E13.22, Q87.81, I12.9, I13.10
Diagnosis Index entries containing back-references to N18.1:
- Disease, diseased – see also Syndrome
- kidney (functional) (pelvis) N28.9
- chronicN18.9
- stage 1 N18.1
- chronicN18.9
- kidney (functional) (pelvis) N28.9