N18.9
Chronic kidney disease, unspecified
Billable FY2026 2025-10-01 → 2026-09-30
This is the unspecified option. 6 more
specific codes sit alongside it. Worth
checking whether the documentation supports one of them.
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 11
Index entries leading here 12
- Retinitis — see also Inflammation, chorioretinal
- Apoplexia, apoplexy, apoplectic
- uremic N18.9
- Disease, diseased — see also Syndrome
- Insufficiency, insufficient
- Failure, failed
- Uremia, uremic N19
- Glomerulonephritis N05.9
- Polyneuropathy (peripheral) G62.9
- in (due to)
- uremia N18.9
- in (due to)
- Neuropathy, neuropathic G62.9
- uremic N18.9
- Paralysis, paralytic (complete) (incomplete) G83.9
- uremic N18.9
- Pericarditis (with decompensation) (with effusion) I31.9
- uremic N18.9
- Syndrome — see also Disease
- uremia, chronic N18.9
Alongside this code 6 same parent — N18
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.