All ICD10 Codes

N28

Non-Billable
ChapterN00–N99
Rankcategory
Official Description

Other disorders of kidney and ureter, not elsewhere classified

Use a more specific code (3 billable, 1 non-billable)
N28.0Ischemia and infarction of kidneyN28.1Cyst of kidney, acquiredN28.8Other specified disorders of kidney and ureterhas subcodesN28.9Disorder of kidney and ureter, unspecified
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 14: Diseases of the Genitourinary System (N00-N99).

CH14 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • 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)

N25-N29 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • disorders of kidney and ureter with urolithiasis (N20-N23)

Clinical Hierarchy

BillableHas subcodes
CH14Diseases of the genitourinary system (N00-N99)
N25-N29Other disorders of kidney and ureter (N25-N29)
N28Other disorders of kidney and ureter, not elsewhere classifiedNot billable
N28.0Ischemia and infarction of kidneyBillable
N28.1Cyst of kidney, acquiredBillable
N28.8Other specified disorders of kidney and ureterSubcodes
N28.9Disorder of kidney and ureter, unspecifiedBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to N28:

blockN25-N29
Other disorders of kidney and ureter (N25-N29)
View context instructions
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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