N40 – Benign prostatic hyperplasia
ICD-10-CM 2027 diagnosis code · Diseases of male genital organs
ICD-10-CM code
N40
- Code
N40(claims format:N40)- Description
- Benign prostatic hyperplasia
- Billable
- No – use a more specific code below
- 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
Billable codes under N40
N40 is a header code and cannot be used on claims. Choose the most specific code:
Notes for N40
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)
Frequently asked questions
What is ICD-10 code N40?
N40 is the ICD-10-CM code for benign prostatic hyperplasia, in the block N40-N53 (Diseases of male genital organs).
Is N40 a billable code?
No. N40 is a header code with more specific child codes; report one of the billable codes listed above.
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.