N18.4
BillableChronic kidney disease, stage 4 (severe)
Chronic kidney disease, stage 4 (severe)
Coding Notes
Excludes 2
Conditions not included here, but the patient may have both
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
- congenital renal failure (P96.0)
- drug- and heavy-metal-induced tubulo-interstitial and tubular conditions (N14.-)
- extrarenal uremia (R39.2)
- hemolytic-uremic syndrome (D59.3-)
- hepatorenal syndrome (K76.7)
- postpartum hepatorenal syndrome (O90.41)
- posttraumatic renal failure (T79.5)
- prerenal uremia (R39.2)
- renal failure complicating abortion or ectopic or molar pregnancy (O00-O07, O08.4)
- renal failure following labor and delivery (O90.41)
- renal failure postprocedural (N99.0)
Code First
The underlying condition must be sequenced before this code
Use Additional Code
Additional codes that should follow this code
- code to identify kidney transplant status, if applicable, (Z94.0)
Also Known As / Clinical Terms
SNOMED CT
- Benign hypertensive heart disease36221001
- Malignant hypertensive heart disease54225002
- Malignant hypertensive renal disease65443008
- CKD stage 4431857002
- Chronic kidney disease stage 4431857002
- Anaemia co-occurrent and due to chronic kidney disease707323002
- Anaemia in chronic kidney disease707323002
- Anemia co-occurrent and due to chronic kidney disease707323002
- Anemia in chronic kidney disease707323002
- Hypertension in chronic kidney disease stage 4 due to type 1 diabetes mellitus1332468003
- Hypertension in chronic kidney disease stage 4 due to type I diabetes mellitus1332468003
- Hypertension in chronic renal disease stage 4 due to type 1 diabetes mellitus1332468003
- Anaemia co-occurrent and due to chronic kidney disease stage 4691401000119104
- Anaemia in chronic kidney disease stage 4691401000119104
- Anemia co-occurrent and due to chronic kidney disease stage 4691401000119104
- Anemia in chronic kidney disease stage 4691401000119104
- Benign hypertensive heart disease and chronic kidney disease stage 4285101000119109
- Benign hypertensive heart disease and chronic renal disease stage 4285101000119109
- Chronic kidney disease due to benign hypertension284961000119106
- Chronic kidney disease stage 4 due to benign hypertension285001000119105
- Chronic kidney disease stage 4 due to drug induced diabetes mellitus368451000119100
- Chronic kidney disease stage 4 due to hypertension129151000119102
- Chronic kidney disease stage 4 due to type 1 diabetes mellitus90751000119109
- Chronic kidney disease stage 4 due to type I diabetes mellitus90751000119109
- Chronic kidney disease stage 4 due to type 2 diabetes mellitus721000119107
- Chronic kidney disease stage 4 due to type II diabetes mellitus721000119107
- Diabetic stage 4 chronic renal impairment due to type 2 diabetes mellitus721000119107
- Diabetic nephropathy due to drug induced diabetes mellitus368201000119100
- Diabetic renal disease due to drug induced diabetes mellitus368201000119100
- Disorder of kidney due to drug induced diabetes mellitus368201000119100
- Nephropathy due to drug induced diabetes mellitus368201000119100
- Disorder of kidney due to secondary diabetes mellitus126551000119103
- Nephropathy due to secondary diabetes mellitus126551000119103
- Hypertension in chronic kidney disease due to type 1 diabetes mellitus71701000119105
- Hypertension in chronic kidney disease due to type I diabetes mellitus71701000119105
- Hypertension in chronic kidney disease due to type 2 diabetes mellitus71421000119105
- Hypertension in chronic kidney disease due to type II diabetes mellitus71421000119105
- Hypertension in chronic kidney disease stage 4 due to type 2 diabetes mellitus140111000119107
- Hypertension in chronic kidney disease stage 4 due to type II diabetes mellitus140111000119107
- Hypertensive heart AND chronic kidney disease stage 496721000119103
- Malignant hypertensive chronic kidney disease285831000119108
- Malignant hypertensive chronic kidney disease stage 4285881000119109
- Malignant hypertensive heart disease and chronic kidney disease stage 4285921000119102
- Malignant hypertensive heart disease and chronic renal disease stage 4285921000119102
Frequently Asked Questions
What is ICD-10 code N18.4?
ICD-10-CM code N18.4 represents "Chronic kidney disease, stage 4 (severe)". It is a billable/specific code that can be used on a claim.
Is N18.4 a billable code?
Yes, N18.4 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is N18.4 in?
N18.4 is in Chapter 14: Diseases of the Genitourinary System (codes N00-N99).
Are additional codes required with N18.4?
Yes, when using N18.4 you should also code: code to identify kidney transplant status, if applicable, (Z94.0).
What SNOMED CT codes does N18.4 map to?
N18.4 maps to 23 SNOMED CT concepts: 707323002, 691401000119104, 36221001, 285101000119109, 431857002, and 18 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for N18.4?
N18.4 is linked to 1 UMLS Concept Unique Identifier: C1561641. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
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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.