N28.89 is the authoritative medical code for Other specified disorders of kidney and ureter. This classification is used in medical billing and clinical recording to specify the clinical criteria for other specified disorders of kidney and ureter (ICD-10-CM N28.89), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Other specified disorders of kidney and ureter is a billable ICD-10-CM diagnosis code N28.89. Excludes1 (not coded here): hydroureter N13.4; ureteric stricture with hydronephrosis N13.1; ureteric stricture without hydronephrosis N13.5. Excludes2 (not included here): disorders of kidney and ureter with urolithiasis N20-N23.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for N28.89 in the official ICD-10-CM tabular list.
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
- hydroureter N13.4
- ureteric stricture with hydronephrosis N13.1
- ureteric stricture without hydronephrosis N13.5
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- disorders of kidney and ureter with urolithiasis N20-N23
Frequently Asked Questions (FAQ) & Clinical Guidance
What can't be coded together with N28.89?
Per Excludes1 instructions, N28.89 must not be reported with: hydroureter (N13.4); ureteric stricture with hydronephrosis (N13.1); ureteric stricture without hydronephrosis (N13.5).
Can N28.89 be reported alongside related conditions?
Per Excludes2 instructions, N28.89 and the following may both be reported when both are present: disorders of kidney and ureter with urolithiasis (N20-N23).
Codes in This Family (11)
Official ICD-10-CM classifications in the same code family as N28.89, with their registry titles.
- N28 — Other disorders of kidney and ureter, not elsewhere classified
- N28.0 — Ischemia and infarction of kidney
- N28.1 — Cyst of kidney, acquired
- N28.8 — Other specified disorders of kidney and ureter
- N28.81 — Hypertrophy of kidney
- N28.82 — Megaloureter
- N28.83 — Nephroptosis
- N28.84 — Pyelitis cystica
- N28.85 — Pyeloureteritis cystica
- N28.86 — Ureteritis cystica
- N28.9 — Disorder of kidney and ureter, unspecified
Indexed Clinical Terms (78)
Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.
- Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic), periureteral
- Adhesions, adhesive (postinfective), perirenal
- Adhesions, adhesive (postinfective), periureteral
- Calcification, kidney
- Calcification, ureter
- Calicectasis
- Caliectasis
- Congestion, congestive, kidney
- Congestion, congestive, renal
- Cyst (colloid) (mucous) (simple) (retention), ureter
- Cyst (colloid) (mucous) (simple) (retention), ureterovesical orifice
- Decapsulation, kidney
- Deformity, kidney (s) (calyx) (pelvis) (congenital), acquired
- Deformity, ureter (opening) (congenital), acquired
- Degeneration, degenerative, kidney
- Degeneration, degenerative, kidney, fatty
- Dilatation, calyx
- Dilatation, kidney (calyx) (collecting structures) (cystic) (parenchyma) (pelvis) (idiopathic)
- Distension, distention, kidney
- Diverticulum, diverticula (multiple), calyx, calyceal (kidney)
- Diverticulum, diverticula (multiple), kidney (pelvis) (calyces)
- Diverticulum, diverticula (multiple), ureter (acquired)
- Diverticulum, diverticula (multiple), ureterovesical orifice
- Eversion, ureter (meatus)
- Fistula (cutaneous), abdomen (wall), ureter
- Fistula (cutaneous), intestinoureteral
- Fistula (cutaneous), kidney
- Fistula (cutaneous), perineum, perineal NEC (with urethral involvement), ureter
- Fistula (cutaneous), rectoureteral
- Fistula (cutaneous), renal
- Fistula (cutaneous), ureter (persistent)
- Fistula (cutaneous), ureteroabdominal
- Fistula (cutaneous), ureterorectal
- Fistula (cutaneous), ureterosigmoido-abdominal
- Floating, kidney
- Hemorrhage, hemorrhagic (concealed), kidney
- Hemorrhage, hemorrhagic (concealed), renal
- Hernia, hernial (acquired) (recurrent), ureter
- Hyperemia (acute) (passive), kidney
- Hyperemia (acute) (passive), renal
- Hypertrophy, hypertrophic, ureter
- Hyposthenuria
- Infection, infected, infective (opportunistic), periureteral
- Infiltrate, infiltration, kidney
- Leukoplakia, kidney (pelvis)
- Leukoplakia, pelvis (kidney)
- Leukoplakia, ureter (postinfectional)
- Low, lying, kidney
- Low, reserve, kidney
- Malacoplakia, pelvis (kidney)
- Malacoplakia, ureter
- Mass, kidney
- Metaplasia, kidney (pelvis) (squamous)
- Misplaced, misplacement, kidney (acquired)
- Mobile, mobility, kidney
- Movable, kidney
- Nephritis, nephritic (albuminuric) (azotemic) (congenital) (disseminated) (epithelial) (familial) (focal) (granulomatous) (hemorrhagic) (infantile) (nonsuppurative, excretory) (uremic), salt losing or wasting NEC
- Nephrorrhagia
- Obstruction, obstructed, obstructive, kidney (calices)
- Obstruction, obstructed, obstructive, renal
- Palpable, kidney
- Perforation, perforated (nontraumatic) (of), ureter
- Periureteritis
- Polyp, polypus, ureter
- Prolapse, prolapsed, ureter
- Prolapse, prolapsed, ureterovesical orifice
- Pyoureter
- Ren, mobile, mobilis
- Reserve, decreased or low, kidney
- Rupture, ruptured, kidney (traumatic), nontraumatic
- Rupture, ruptured, ureter (traumatic), nontraumatic
- Sacculation, ureter
- Steatosis, kidney
- Syndrome, salt-losing
- Thorn's syndrome
- Ureteritis
- Ureteritis, nonspecific
- Ureterocele
Related Codes & Numerical Sequence (Crawl Map)
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures:
ICD Code N25.89
Other disorders resulting from impaired renal tubular function