MCMCB Pro
ICD-10-CM tabular list

N30-N39Other diseases of the urinary system

ICD-10-CM codes N30-N39 cover other diseases of the urinary system, within diseases of the genitourinary system. The block holds 112 codes across 9 categories, of which 85 are billable and 27 are header codes that cannot be submitted on a claim.

Excludes2 — not included here, but may coexist

The excluded condition is not part of this code, but a patient can have both. You may code both.

  • urinary infection (complicating):
  • abortion or ectopic or molar pregnancy (O00-O07, O08.8)
  • pregnancy, childbirth and the puerperium (O23.-, O75.3, O86.2-)

What else to watch in N30-N39

  • 68 codes are named in Medicare coverage policies. An LCD or NCD lists them as supporting medical necessity, or explicitly as not supporting it. Which applies depends on the MAC for your state.

Categories in N30-N39

ICD-10-CMFY2026-Apr· effective April 1, 2026