Chronic kidney disease (CKD) - N18
Use Additional Code: This note indicates that an additional code should be used in conjunction with the primary code "N18" to provide a complete picture of the patient's condition or to capture associated factors.
Use Additional:
- code to identify kidney transplant status, if applicable, (Z94.0)
Code First: This note advises that another code should be sequenced as the principal diagnosis before the code with this note.
Category codeFirst:
- any associated:
- diabetic chronic kidney disease (E08.22, E09.22, E10.22, E11.22, E13.22)
- hypertensive chronic kidney disease (I12.-, I13.-)
These ranges represents subcategories of Chronic kidney disease (CKD). The "N18" signifies that these are the diseases within this broad category.
Codes:
- N18.1 - Chronic kidney disease, stage 1
- N18.2 - Chronic kidney disease, stage 2 (mild)
- N18.3 - Chronic kidney disease, stage 3 (moderate)
- N18.30 - Chronic kidney disease, stage 3 unspecified
- N18.31 - Chronic kidney disease, stage 3a
- N18.32 - Chronic kidney disease, stage 3b
- N18.4 - Chronic kidney disease, stage 4 (severe)
- N18.5 - Chronic kidney disease, stage 5
- N18.6 - End stage renal disease
- N18.9 - Chronic kidney disease, unspecified