N42.9 Disorder of prostate, unspecified

Billable ICD-10-CM code, FY2026.

MS-DRG index

Defines the logic of DRG(s) 729-730 in MDC 12.

Approximate ICD-9-CM (GEMs)

• 602.9 Unspecified disorder of prostate

Medicare Code Edits (MCE v43.1 (April 2026))

• Adult diagnoses (age 15 through 124): Age conflict edit. These diagnoses are clinically expected only in patients age 15 through 124.

Diagnosis Index entries for N42.9

• Disease, diseased › prostate
• Disorder (of) › prostate
• Irregular, irregularity › prostate
• Palpable › prostate

Nearby codes

• N42.8 Other specified disorders of prostate
• N42.81 Prostatodynia syndrome
• N42.82 Prostatosis syndrome
• N42.83 Cyst of prostate
• N42.89 Other specified disorders of prostate
• N42.9 Disorder of prostate, unspecified (this code)