Non-specific code icon 2014 ICD-10-CM Diagnosis Code N40

Enlarged prostate

  • N40 is not a billable ICD-10-CM diagnosis code and cannot be used to indicate a medical diagnosis as there are 4 codes below N40 that describe this diagnosis in greater detail.
  • ICD-10-CM codes become active beginning October 1, 2015, therefore, this and all ICD-10-CM diagnosis codes should only be used for training or planning purposes until then.
Clinical Information
  • A benign (noncancerous) condition in which an overgrowth of prostate tissue pushes against the urethra and the bladder, blocking the flow of urine.
  • Increase in constituent cells in the prostate, leading to enlargement of the organ (hypertrophy) and adverse impact on the lower urinary tract function. This can be caused by increased rate of cell proliferation, reduced rate of cell death, or both.
Type 1 Excludes
  • benign neoplasms of prostate (adenoma, benign) (fibroadenoma) (fibroma) (myoma) (D29.1)
Type 2 Excludes
  • malignant neoplasm of prostate (C61)
  • adenofibromatous hypertrophy of prostate
  • benign hypertrophy of the prostate
  • benign prostatic hyperplasia
  • benign prostatic hypertrophy
  • BPH
  • nodular prostate
  • polyp of prostate
Mortality Data
  • Between 1999-2007 there were 4,253 deaths in the United States where ICD-10 N40 was indicated as the underlying cause of death [source: cdc.govlink to]
  • ICD-10 N40 as underlying cause of death data broken down by: gender, age, race, year