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ICD-10-CM chapter 14 · N00-N99

Diseases of the genitourinary system

About chapter 14

Chapter 14 (N00-N99) contains 85 categories and 838 billable codes for FY2027. This year's update added 3 and deleted 0 codes here. 30 codes are MCCs and 155 are CCs when reported as secondary diagnoses.

11 code blocks

Chapter notes

Excludes2
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)