N40

Non-billable

Benign prostatic hyperplasia

N40 is the ICD-10-CM code for Benign prostatic hyperplasia. It is a non-billable category code — use a more specific child code such as N40.0 for billing.

Status
Header (non-billable)
Chapter
N00-N99
Subcodes
4
Edition
FY2026

N00-N99 Diseases of the genitourinary system

What this means — in plain language

MedlinePlus · NIH

What is the prostate? The prostate is a gland in the male reproductive system. It lies just below the bladder. It makes fluid that is part of semen. What is an enlarged prostate (BPH)? An enlarged prostate is when your prostate gland becomes larger than normal. It's also called benign prostatic hyperplasia or BPH for short. Benign means not cancer. And hyperplasia means too much cell growth. BPH isn't cancer and it…

Read more about Enlarged Prostate (BPH) at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

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

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

Excludes2 — not included here

  • malignant neoplasm of prostate (C61)

Medications indicated for this condition

FDA labeling

Drugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.

Conditions mapped to this code

MedlinePlus · NIH

Plain-language health-topic references grounded in MedlinePlus (NIH/NLM).

Frequently asked questions

What is ICD-10 code N40?
N40 is the ICD-10-CM code for "Benign prostatic hyperplasia". It falls under N00-N99 Diseases of the genitourinary system.
Is N40 a billable code?
No — N40 is a non-billable header code. Use a more specific child code (such as N40.0) for billing.
What are the subcodes of N40?
N40 has 4 more specific child codes, including N40.0, N40.1, N40.2.
What is excluded from N40?
Excludes1 (not coded here): benign neoplasms of prostate (adenoma, benign) (fibroadenoma) (fibroma) (myoma) (D29.1).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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