N18.3
Non-billableChronic kidney disease, stage 3 (moderate)
Chronic kidney disease, stage 3 (moderate)
This is a header/category code. For billing purposes, use a more specific child code from the list below.
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)
Child Codes (3)
Also Known As / Clinical Terms
Frequently Asked Questions
What is ICD-10 code N18.3?
ICD-10-CM code N18.3 represents "Chronic kidney disease, stage 3 (moderate)". It is a non-billable header code — use a more specific child code for billing purposes.
Is N18.3 a billable code?
No, N18.3 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 3 child codes under N18.3.
What chapter is N18.3 in?
N18.3 is in Chapter 14: Diseases of the Genitourinary System (codes N00-N99).
What are the subcategories under N18.3?
N18.3 has 3 child codes, including: N18.30 (Chronic kidney disease, stage 3 unspecified), N18.31 (Chronic kidney disease, stage 3a), N18.32 (Chronic kidney disease, stage 3b).
Are additional codes required with N18.3?
Yes, when using N18.3 you should also code: code to identify kidney transplant status, if applicable, (Z94.0).
What are the UMLS CUIs for N18.3?
N18.3 is linked to 1 UMLS Concept Unique Identifier: C1561640. 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.