N40
Benign prostatic hyperplasia
N40 is a non-billable ICD-10-CM code category for benign prostatic hyperplasia. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are N40.0 Benign prostatic hyperplasia without lower urinary tract symptoms, N40.1 Benign prostatic hyperplasia with lower urinary tract symptoms, N40.2 Nodular prostate without lower urinary tract symptoms and N40.3 Nodular prostate with lower urinary tract symptoms. Its coding notes include 1 Excludes1 entry and 9 Excludes2 entries.
Excludes1
Not coded here. The listed conditions generally should not be reported together.
- benign neoplasms of prostate (adenoma, benign) (fibroadenoma) (fibroma) (myoma) (D29.1)
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
- malignant neoplasm of prostate (C61)
Also from chapter/block level (8 notes)
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
Includes
Further defines or gives examples of the content of the category.
- adenofibromatous hypertrophy of prostate
- benign hypertrophy of the prostate
- benign prostatic hypertrophy
- BPH
- enlarged prostate
- nodular prostate
- polyp of prostate