ICD-10-CM 2027
ICD-10 code for prostate cyst
From the official ICD-10-CM alphabetic index entry “Cyst (colloid) (mucous) (simple) (retention) › prostate”. Page updated September 29, 2026.
About coding prostate cyst
The ICD-10-CM code for prostate cyst is N42.83 (Cyst of prostate).
Within N42.8 (other specified disorders of prostate), N42.83 is specifically for cyst of prostate. Related codes cover Prostatodynia syndrome (N42.81), Prostatosis syndrome (N42.82) and other specified disorders of prostate (N42.89).
It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.
In MS-DRG v44.0, it is part of the grouping logic for DRG 725 (Benign Prostatic Hypertrophy with MCC, relative weight 1.1578) and DRG 726 (Benign Prostatic Hypertrophy without MCC, relative weight 0.7252), in MDC 12 (Diseases and Disorders of the Male Reproductive System), as a principal or secondary diagnosis. The DRG a claim lands in depends on the principal diagnosis, procedures and any CC/MCC secondary diagnoses.
Common questions about prostate cyst ICD-10 codes
What is the ICD-10 code for prostate cyst?
- N42.83 — Cyst of prostate.
Is N42.83 billable?
- Yes. N42.83 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can N42.83 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict N42.83 as a principal diagnosis.
Is N42.83 a CC or MCC?
- No. N42.83 is neither a CC nor an MCC under MS-DRG v44.0.