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N40

⚠ Non-billable (Header)

Benign prostatic hyperplasia

Diseases of the genitourinary system (N00-N99)

⚠️ This is a category header code — not billable. Use a more specific child code below.

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✅ Includes

  • • adenofibromatous hypertrophy of prostate
  • • benign hypertrophy of the prostate
  • • benign prostatic hypertrophy
  • • BPH
  • • enlarged prostate
  • • nodular prostate
  • • polyp of prostate

❌ Excludes1

direct

Cannot be coded with N40

  • • benign neoplasms of prostate (adenoma, benign) (fibroadenoma) (fibroma) (myoma) (D29.1)

⚠️ Excludes2

direct

May be coded together if both conditions coexist

  • • malignant neoplasm of prostate (C61)

Child Codes (4)

N40.0Benign prostatic hyperplasia without lower urinary tract symptomsN40.1Benign prostatic hyperplasia with lower urinary tract symptomsN40.2Nodular prostate without lower urinary tract symptomsN40.3Nodular prostate with lower urinary tract symptoms

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Code Information

CodeN40
BillableNo — Header code
CategoryDiseases of the genitourinary system (N00-N99)
Excludes11 rule(s)
Excludes21 note(s)
Child codes4

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)