N28.9

Billable
ChapterN00–N99
Ranksubcategory
Official Description

Disorder of kidney and ureter, unspecified

Metadata & Insights
  • Billable/specific code (valid for reimbursement).
  • Chapter 14: Diseases of the Genitourinary System (N00-N99).

Instructional Notes

Includes
  • Nephropathy NOS
  • Renal disease (acute) NOS
  • Renal insufficiency (acute)
Excludes1(Not coded here. Use a different code.)
  • chronic renal insufficiency (N18.9)
  • unspecified nephritic syndrome (N05.-)
General instructions are available for the parent sections:

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 classified
N28.9Disorder of kidney and ureter, unspecifiedBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to N28.9:

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 v43.1

Cross Reference

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