N18.32
Chronic kidney disease, stage 3b
Billable FY2026 2025-10-01 → 2026-09-30
Exclusions 19 never code together
N17-N19block
Excludes2
- congenital renal failure (P96.0)P96.0
- drug- and heavy-metal-induced tubulo-interstitial and tubular conditions (N14.-)N14.-
- extrarenal uremia (R39.2)R39.2
- hemolytic-uremic syndrome (D59.3-)D59.3-
- hepatorenal syndrome (K76.7)K76.7
- postpartum hepatorenal syndrome (O90.41)O90.41
- posttraumatic renal failure (T79.5)T79.5
- prerenal uremia (R39.2)R39.2
- renal failure complicating abortion or ectopic or molar pregnancy (O00-O07, O08.4)O00-O07O08.4
- renal failure following labor and delivery (O90.41)O90.41
- renal failure postprocedural (N99.0)N99.0
N00-N99chapter
Excludes2
- certain conditions originating in the perinatal period (P04-P96)P04-P96
- certain infectious and parasitic diseases (A00-B99)A00-B99
- complications of pregnancy, childbirth and the puerperium (O00-O9A)O00-O9A
- congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)Q00-Q99
- endocrine, nutritional and metabolic diseases (E00-E88)E00-E88
- injury, poisoning and certain other consequences of external causes (S00-T88)S00-T88
- neoplasms (C00-D49)C00-D49
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)R00-R94
Excludes2 — not included here, but the patient may have both. Code both when documented.
Instructional notes 6
N18code
Code first
Index entries leading here 1
Alongside this code 2 same parent — N18.3
Medications 1
MED-RT files conditions by MeSH, which carves the world differently from ICD-10. These are name matches on this code's description, offered as candidates — not as an assertion that they are this code.
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.