N40
ICD-10Non-billable categoryBenign prostatic hyperplasia
Official ICD-10-CM descriptor (FY2026)
Benign prostatic hyperplasia
N40 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.
Includes
- adenofibromatous hypertrophy of prostate
- benign hypertrophy of the prostate
- benign prostatic hypertrophy
- BPH
- enlarged prostate
- nodular prostate
- polyp of prostate
Excludes1
Not coded here. An Excludes1 code should never be reported at the same time as the code above it.
- benign neoplasms of prostate (adenoma, benign) (fibroadenoma) (fibroma) (myoma) (D29.1)
Excludes2
Not included here. The condition is not part of this code, but a patient may have both, and both codes may be reported together.
- malignant neoplasm of prostate (C61)
More specific codes under N40
Where this code sits
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.