N29 Other disorders of kidney and ureter in diseases classified elsewhere

Billable

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

Excludes 1 (cannot be coded together)

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

Code First

  • underlying disease, such as:
  • amyloidosis (E85.-)
  • nephrocalcinosis (E83.59)
  • schistosomiasis (B65.0-B65.9)
This category is a complete, billable diagnosis code.

No additional specificity is required — submit N29 directly on claims and documentation without a subcode extension.

Last reviewed: September 2026