ICD-10-CM 2027
ICD-10 code for penis carbuncle
From the official ICD-10-CM alphabetic index entry “Carbuncle › penis”. Page updated September 29, 2026.
About coding penis carbuncle
The ICD-10-CM code for penis carbuncle is N48.21 (Abscess of corpus cavernosum and penis).
Within N48.2 (other inflammatory disorders of penis), N48.21 is specifically for abscess of corpus cavernosum and penis. Related codes cover cellulitis of corpus cavernosum and penis (N48.22) and other inflammatory disorders of penis (N48.29).
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 727 (Inflammation of the Male Reproductive System with MCC, relative weight 1.37) and DRG 728 (Inflammation of the Male Reproductive System without MCC, relative weight 0.8224), 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 penis carbuncle ICD-10 codes
What is the ICD-10 code for penis carbuncle?
- N48.21 — Abscess of corpus cavernosum and penis.
Is N48.21 billable?
- Yes. N48.21 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can N48.21 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict N48.21 as a principal diagnosis.
Is N48.21 a CC or MCC?
- No. N48.21 is neither a CC nor an MCC under MS-DRG v44.0.