N25-N29

Non-Billable
ChapterN00–N99
Rankblock
Official Description

Other disorders of kidney and ureter (N25-N29)

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 14: Diseases of the Genitourinary System (N00-N99).

CH14 Parent Instructions

Excludes2(Not included here)
  • 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)

Instructional Notes

Excludes2(Not included here)
  • disorders of kidney and ureter with urolithiasis (N20-N23)

Clinical Hierarchy

CH14Diseases of the genitourinary system (N00-N99)
N25-N29Other disorders of kidney and ureter (N25-N29)
N25Disorders resulting from impaired renal tubular function
N26Unspecified contracted kidney
N27Small kidney of unknown cause
N28Other disorders of kidney and ureter, not elsewhere classified
N29Other disorders of kidney and ureter in diseases classified elsewhere

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to N25-N29:

chapterCH14
Diseases of the genitourinary system (N00-N99)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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