DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

N29 diagnosis code · Billable category · FY2027

N29 Other disorders of kidney and ureter in diseases classified elsewhere

  • Billable
  • Not CC/MCC
  • POA reported

N29 ICD-10 code: a billable diagnosis code in FY2027; the category has no subdivisions.

Where it sits

  1. Chapter 14 Diseases of the genitourinary system (N00-N99)
  2. N25-N29 Other disorders of kidney and ureter (N25-N29)
  3. N29 Other disorders of kidney and ureter in diseases classified elsewhere
CC / MCC
Neither
MS-DRG
698-700
HCC V28
–
POA
Reported
Code Editor
Manifestation
Index entries
7

Instructions

At N29

Excludes1

  • disorders of kidney and ureter in:
  • cystinosis (E72.0) E72.0
  • gonorrhea (A54.21) A54.21
  • syphilis (A52.75) A52.75
  • tuberculosis (A18.11) A18.11

Code first

  • underlying disease, such as:
  • amyloidosis (E85.-) E85
  • nephrocalcinosis (E83.59) E83.59
  • schistosomiasis (B65.0-B65.9) B65.0 B65.9

Notes that also apply

Block N25-N29 instructions (Excludes2 1): printed on the block page.

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

Index entries

  • Nephrocalcinosis → E83.59 [N29]
  • Disorder (of)ureter (in)schistosomiasis → B65.0 [N29]
  • Degeneration, degenerativekidneyamyloid → E85.4 [N29]
  • Calcificationkidneytuberculous → N29 [B90.1]
  • Disease, diseasedureterin (due to)schistosomiasis (bilharziasis) → B65.0 [N29]
  • Disease, diseasedkidney (functional) (pelvis)in (due to)schistosomiasis (bilharziasis) → B65.9 [N29]
  • Disorder (of)kidneyinschistosomiasis → B65.9 [N29]

NCHS Alphabetic Index. Index first, then the Tabular List.

Medicare grouping and edits

CMS files for N29
CC / MCCNeither
Appendix BMDC 11 Diseases and Disorders of the Kidney and Urinary Tract, MS-DRG 698-700 (Other Kidney and Urinary Tract Diagnoses with MCC…)
Code EditorManifestation code: not allowed as principal diagnosis
POAReported
HCC V28–

CMS: MS-DRG v44 (Appendix B, C), MCE v44, POA list FY2027, 2027 Initial ICD-10-CM Mappings. What the rows mean.

Hierarchy