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

ICD-10-CM 2027 diagnosis code · Diseases of male genital organs

Billable code

ICD-10-CM code N40.1
Code
N40.1 (claims format: N401)
Description
Benign prostatic hyperplasia with lower urinary tract symptoms
Short description
Benign prostatic hyperplasia with lower urinary tract symp
Billable
Yes – valid for HIPAA-covered transactions
Valid for
Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter
14. Diseases of the genitourinary system (N00-N99)
Block
N40-N53 Diseases of male genital organs
Parent codes
N40

Notes for N40.1

Applicable to:
  • Enlarged prostate with LUTS
Use additional code:
  • code for associated symptoms, when specified:
  • incomplete bladder emptying (R39.14)
  • nocturia (R35.1)
  • straining on urination (R39.16)
  • urinary frequency (R35.0)
  • urinary hesitancy (R39.11)
  • urinary incontinence (N39.4-)
  • urinary obstruction (N13.8)
  • urinary retention (R33.8)
  • urinary urgency (R39.15)
  • weak urinary stream (R39.12)

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

N40 – Benign prostatic hyperplasia

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)

Index terms for N40.1

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in N40

Frequently asked questions

What is ICD-10 code N40.1?

N40.1 is the ICD-10-CM code for benign prostatic hyperplasia with lower urinary tract symptoms, in the block N40-N53 (Diseases of male genital organs).

Is N40.1 a billable code?

Yes. N40.1 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does N40.1 belong to?

It belongs to category N40 – Benign prostatic hyperplasia.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.