AutoICD API

N18.9

Billable

Chronic kidney disease, unspecified

Chronic kidney disease, unspecified

Status

Billable / Specific

Block

N17-N19

Parent Code

N18

ICD-11 Mapping

1 equivalent

Coding Notes

Inclusion Terms

Alternative clinical terms for this condition

  • Chronic renal disease
  • Chronic renal failure NOS
  • Chronic renal insufficiency
  • Chronic uremia NOS
  • Diffuse sclerosing glomerulonephritis NOS

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Additional codes that should follow this code

Related Codes(6)

Related Conditions

ICD-11 Equivalents(1)

ICD-11 Equivalents

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Corresponding ICD-11 codes from the WHO crosswalk mapping

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Also Known As / Clinical Terms(477)

SNOMED CT

UMLS

Clinical Terms

  • CKD
  • End-Stage Renal Disease
  • Recurrent renal disease following transplantation of kidney
  • Renal hypertension
  • Toxic polyneuropathy
  • Chronic arteriosclerotic nephritis
  • ESRD
  • Preexisting hypertensive heart and chronic kidney disease in pregnancy
  • Arteriosclerosis of kidney
  • Disease, End-Stage Renal
  • Malignant hypertensive renal disease
  • Renal failure-associated hyperphosphataemia
  • Chronic hypertensive uraemia
  • chronic kidney failure
  • Chronic renal impairment due to type 2 diabetes mellitus
  • Kidney Failure, Chronic
  • Loss of renal function
  • Chronic kidney disease due to type I diabetes mellitus
  • Polyneuropathy due to toxic agents
  • CKD - chronic kidney disease
  • Chronic kidney disease due to systemic infection
  • Chronic kidney disease mineral and bone disorder
  • Chronic renal disease
  • Renal failure chronic
  • Renal failure, chronic
  • Hypercalcaemia due to chronic kidney disease
  • end stage renal disease
  • Calcification of soft tissue due to chronic kidney disease
  • Chronic uremia
  • Pre-existing hypertensive heart disease complicating pregnancy, childbirth and the puerperium
  • Uraemic polyneuropathy
  • Hypertension complicating pregnancy, childbirth and the puerperium
  • Anaemia of renal disease
  • Interstitial arteriosclerotic nephritis
  • Chronic uremia NOS
  • Chronic kidney disease due to and following tumor nephrectomy
  • Light chain nephropathy
  • Chronic renal impairment
  • Disease, End-Stage Kidney
  • Kidney Insufficiency, Chronic
  • Uraemic neuropathy
  • Pre-existing hypertensive heart disease in mother complicating childbirth
  • chronic renal insufficiency
  • Low alkaline phosphatase due to chronic kidney disease
  • CRF - Chronic Renal Failure
  • Anaemia of chronic renal failure
  • Chronic Renal Insufficiencies
  • Erythropoietin resistance in anaemia of chronic kidney disease
  • Chronic renal failure syndrome
  • End-stage kidney disease
  • Impaired renal function following surgical procedure
  • Hypertensive renal disease complicating AND/OR reason for care during pregnancy
  • Benign hypertensive heart AND renal disease
  • Hypertensive heart AND chronic kidney disease on dialysis
  • Anemia, pre-end stage renal disease on erythropoietin protocol
  • renal disease chronic
  • Drug-related polyneuropathy
  • Malignant hypertensive heart AND renal disease
  • Pre-existing hypertensive chronic kidney disease in mother complicating pregnancy
  • Raised calcium phosphate product
  • Malignant arteriolar nephrosclerosis
  • Hypertensive heart AND renal disease
  • Renal insufficiency syndrome
  • Anemia, pre-ESRD erythropoietin protocol
  • Hypertension in chronic kidney disease due to type I diabetes mellitus
  • Chronic kidney disease due to traumatic loss of kidney
  • Renal insufficiency
  • Sclerosing glomerulonephritis
  • Cardiorenal disease
  • Chronic renal failure
  • End-Stage Renal Failure
  • Renal Disease, Chronic
  • Renal disease due to hypertension
  • Vitamin D deficiency
  • Chronic renal failure NOS
  • Hypertension in chronic kidney disease due to type 1 diabetes mellitus
  • Nephrogenic anaemia
  • Chronic renal impairment due to type II diabetes mellitus
  • Anaemia co-occurrent and due to chronic kidney disease
  • Renal arteriosclerosis
  • chronic renal failure (CRF)
  • Renal failure-associated hyperphosphatemia
  • Osteoporosis due to chronic kidney disease
  • Polyneuropathy caused by drug
  • Renal Diseases, Chronic
  • Chronic uraemia
  • ESRD (end stage renal disease)
  • Hyperphosphataemia due to chronic kidney disease
  • END STAGE KIDNEY DIS
  • chronic disease renal
  • Anaemia secondary to renal failure
  • Renal Insufficiency, Chronic
  • Acquired hypophosphataemia
  • Benign hypertensive heart disease and chronic kidney disease
  • Chronic kidney disease due to hypertension
  • RENAL DIS END STAGE
  • Nephrogenic anemia
  • Anemia in chronic kidney disease
  • Diseases, Chronic Renal
  • Diffuse sclerosing glomerulonephritis NOS
  • Renal Failure, End-Stage
  • Hypertensive heart AND renal disease complicating AND/OR reason for care during childbirth
  • Chronic kidney disease due to type 2 diabetes mellitus
  • Chronic kidney disease following donor nephrectomy
  • Hypertensive nephropathy
  • Hypertensive heart disease complicating AND/OR reason for care during pregnancy
  • Anaemia of chronic renal insufficiency
  • END STAGE RENAL DIS
  • Preexisting hypertensive chronic kidney disease in pregnancy
  • Renal Disease, End-Stage
  • Hypertensive heart and renal disease with (congestive) heart failure
  • Renal sclerosis
  • Chronic hypertensive uremia
  • Cardiorenal syndrome
  • Hypertensive renal disease
  • Hyperphosphatemia
  • Chronic Kidney Insufficiency
  • Anemia co-occurrent and due to chronic kidney disease
  • Arteriosclerosis of renal arterioles
  • Uraemic pericarditis
  • Pericarditis co-occurrent and due to uremia
  • Hypertension secondary to renal disease complicating AND/OR reason for care during puerperium
  • Anaemia in chronic kidney disease
  • Hypertensive renal disease in obstetric context
  • Low alkaline phosphatase in chronic kidney disease
  • Pericarditis co-occurrent and due to uraemia
  • Acute on chronic renal failure
  • Chronic Renal Diseases
  • ESCRF - End stage chronic renal failure
  • Hypocalcemia due to chronic kidney disease
  • ESRD - End stage renal disease
  • Hypophosphataemia due to chronic kidney disease
  • Anemia of chronic renal failure
  • Chronic kidney disease due to benign hypertension
  • Malignant hypertensive heart disease
  • Chronic Kidney Diseases
  • Chronic renal insufficiency (disorder)
  • Renal Failure, End Stage
  • End-stage renal disease (disorder)
  • Hypertensive nephrosclerosis
  • Renal involvement in malignant disease
  • CKD-MBD - chronic kidney disease mineral and bone disorder
  • Disease, Chronic Kidney
  • Pre-existing hypertensive heart disease in mother complicating pregnancy
  • Chronic kidney disease due to type 1 diabetes mellitus
  • Chronic Kidney Insufficiencies
  • Kidney Disease, End-Stage
  • Neuropathy in renal failure
  • Benign arteriolar nephrosclerosis
  • Deficiency of alkaline phosphatase
  • Hypertension secondary to renal disease in obstetric context
  • Renal hypertension complicating pregnancy, childbirth and the puerperium
  • Arteriolar sclerosis of renal arterioles
  • Preexisting hypertensive heart and chronic kidney disease in childbirth
  • CKD (chronic kidney disease) due to and following tumor nephrectomy
  • Acquired hypophosphatemia
  • Serum calcium below reference range
  • end stage kidney disease
  • Pre-existing hypertensive heart and renal disease complicating pregnancy, childbirth and the puerperium
  • Diseases, Chronic Kidney
  • Hypertensive heart AND renal disease in obstetric context
  • Chronic kidney disease due to and following excision of neoplasm of kidney
  • Hypertensive heart AND chronic kidney disease with congestive heart failure
  • Anemia of chronic renal insufficiency
  • Chronic disease-related malnutrition
  • Erythropoietin resistance in anemia of chronic kidney disease
  • Chronic renal failure syndrome (disorder)
  • Kidney Disease, Chronic
  • CKD (chronic kidney disease) due to and following tumour nephrectomy
  • Chronic kidney disease with osteoporosis
  • Arteriolar nephrosclerosis
  • Postoperative renal impairment
  • Uremic pericarditis
  • Acute-on-chronic renal failure
  • Hypertensive heart disease complicating AND/OR reason for care during childbirth
  • CRF
  • chronic diseases renal
  • Disorder of vitamin D
  • Hypertensive renal disease complicating AND/OR reason for care during childbirth
  • Benign hypertensive renal disease
  • Hypertension in chronic kidney disease due to type 2 diabetes mellitus
  • Kidney Insufficiencies, Chronic
  • Preexisting hypertensive heart disease in childbirth
  • Uremic polyneuropathy
  • Chronic kidney disease (disorder)
  • Avitaminosis D
  • Benign hypertensive heart disease and chronic renal disease
  • Cardiovascular renal disease
  • End stage renal disease (ESRD)
  • Pre-existing hypertensive heart and chronic kidney disease in mother complicating pregnancy
  • Pericarditis secondary to uraemia
  • ESRF - End stage renal failure
  • Soft tissue calcification due to chronic kidney disease
  • Renal Insufficiencies, Chronic
  • Hyperphosphataemia
  • Kidney failure chronic
  • Nephrosclerosis
  • End stage renal failure
  • Chronic kidney disease due to and following tumour nephrectomy
  • Recurrent post-transplant renal disease
  • Diabetic chronic renal impairment due to type 2 diabetes mellitus
  • Hypertension in chronic kidney disease due to type II diabetes mellitus
  • Hypophosphatemia due to chronic kidney disease
  • Pericarditis secondary to uremia
  • Renal Disease, End Stage
  • Parenchymal renal hypertension
  • Vitamin D deficiency due to chronic kidney disease
  • Uremic neuropathy
  • Benign hypertensive heart disease
  • Hypertensive heart AND renal disease complicating AND/OR reason for care during pregnancy
  • Hypocalcaemia due to chronic kidney disease
  • Kidney Diseases, Chronic
  • Preexisting hypertensive heart disease in pregnancy
  • Hypertensive heart and chronic kidney disease
  • Anemia of renal disease
  • Anemia secondary to renal failure
  • Disease, Chronic Renal
  • End stage chronic renal failure
  • Drug resistance
  • Pre-existing hypertensive heart and chronic kidney disease in mother complicating childbirth
  • Hypercalcemia due to chronic kidney disease
  • Hyperphosphatemia due to chronic kidney disease
Frequently Asked Questions
What is the ICD-10 code for chronic kidney disease, unspecified?

The ICD-10-CM code for chronic kidney disease, unspecified is N18.9. The full clinical description is "Chronic kidney disease, unspecified". N18.9 is a billable/specific code that can be used on insurance claims and medical billing.

What does ICD-10 code N18.9 mean?

ICD-10-CM code N18.9 represents “Chronic kidney disease, unspecified”. It is classified under Chapter 14: Diseases of the Genitourinary System and is a billable/specific code that can be used on a claim.

Is N18.9 a billable code?

Yes, N18.9 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.

What chapter is N18.9 in?

N18.9 is in Chapter 14: Diseases of the Genitourinary System (codes N00-N99).

Are additional codes required with N18.9?

Yes, when using N18.9, also report: kidney transplant status, if applicable, (Z94.0).

What SNOMED CT codes does N18.9 map to?

N18.9 maps to 91 SNOMED CT concepts: 237902005, 236433006, 707323002, 49708008, 234348004, and 86 more. SNOMED CT is a clinical terminology used in electronic health records.

What are the UMLS CUIs for N18.9?

N18.9 is linked to 5 UMLS Concept Unique Identifiers: C1561643, C0022661, C0403447, C1579029, C1398790. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

How does N18.9 relate to ICF functioning codes?

ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like chronic kidney disease, unspecified affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.

What is the ICD-11 equivalent of N18.9?

N18.9 maps to the ICD-11 code: GB61.Z (Chronic kidney disease, stage unspecified).

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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.