N40.1 — Benign prostatic hyperplasia with lower urinary tract symptoms

N40.1

ICD-10 Chapter 14: Genitourinary System — illustrative image — Chapter 14: Diseases of the genitourinary system (N00–N99) — illustrative image

What this code means

An enlarged prostate causing lower urinary tract symptoms such as slow stream, hesitancy, frequency and night-time urination.

Also called: bph with luts, enlarged prostate with symptoms, benign prostatic hyperplasia with symptoms.

When this code is used

Used for enlarged prostate with lower urinary tract symptoms.

Where it sits in ICD-10-CM

Code N40.1 belongs to Chapter 14: Diseases of the genitourinary system, which covers codes N00–N99 in the FY2027 ICD-10-CM tabular list. The official description above is copied verbatim from the CDC/NCHS FY2027 code file.

Related symptoms

Related anatomy

Prostate

Frequently asked questions

What is ICD-10-CM code N40.1?

N40.1 is the ICD-10-CM diagnosis code for “Benign prostatic hyperplasia with lower urinary tract symptoms”. An enlarged prostate causing lower urinary tract symptoms such as slow stream, hesitancy, frequency and night-time urination.

When is code N40.1 used?

Used for enlarged prostate with lower urinary tract symptoms. It belongs to Chapter 14 of ICD-10-CM (Diseases of the genitourinary system).

This guide explains ICD-10-CM codes in plain language for patients, students and other readers. It is educational information only — not coding, billing or medical advice. The code recorded for any real encounter is assigned from the full clinical documentation by the treating team and qualified coders, and only they can decide which code fits a specific case.