DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Block · Chapter 14

N25-N29 Other disorders of kidney and ureter (N25-N29)

Block N25-N29 groups 5 categories with 22 billable codes in FY2027.

Where it sits

  1. Chapter 14 Diseases of the genitourinary system (N00-N99)
  2. N25-N29 Other disorders of kidney and ureter (N25-N29)

Neighbouring blocks

Categories
5
Billable codes
22
CC codes
6
MCC codes
0
HCC V28 codes
0
New FY2027
0

Categories in N25-N29

  • N25

    Disorders resulting from impaired renal tubular function

    Pseudorickets (renal) → N25.0

    • 5 billable codes
    • 2 CC
  • N26

    Unspecified contracted kidney

    Fibrosis, fibrotickidney → N26.9

    • 3 billable codes
  • N27

    Small kidney of unknown cause

    Small (ness)kidney (unknown cause) → N27.9

    • 3 billable codes
  • N28

    Other disorders of kidney and ureter, not elsewhere classified

    Pyoureter → N28.89

    • 10 billable codes
    • 4 CC
  • N29

    Other disorders of kidney and ureter in diseases classified elsewhere

    Calcificationkidneytuberculous → N29

    • Billable, no subdivisions

Index main terms

  • Disorder (of) → N25, N28 (12 entries)
  • Cyst (colloid) (mucous) (simple) (retention) → N28 (10 entries)
  • Fistula (cutaneous) → N28 (10 entries)
  • Nephropathy → N25, N28 (7 entries)
  • Disease, diseased → N25, N28 (6 entries)
  • Impaired, impairment (function) → N25, N28 (6 entries)
  • Diverticulum, diverticula (multiple) → N28 (4 entries)
  • Calcification → N28, N29 (3 entries)
  • Dilatation → N28 (3 entries)
  • Embolism (multiple) (paradoxical) → N28 (3 entries)
  • Infarct, infarction → N28 (3 entries)
  • Infection, infected, infective (opportunistic) → N28 (3 entries)
  • Insufficiency, insufficient → N28 (3 entries)
  • Leukoplakia → N28 (3 entries)
  • Low → N28 (3 entries)

+85 more main terms; the search box finds them by word.

Block instructions

Excludes2

  • disorders of kidney and ureter with urolithiasis (N20-N23) N20 N23

Notes that also apply

Chapter 14 instructions (Excludes2 8): printed on the chapter 14 page.