N48.21 — Abscess of corpus cavernosum and penis
Is N48.21 billable?
Yes — N48.21 is billable for FY2027. N48.21 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. N48.21 may be submitted for encounters from October 1, 2026 through September 30, 2027.
N48.21 at a glance
| Code | N48.21 |
|---|---|
| Description | Abscess of corpus cavernosum and penis |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does N48.21 group to?
N48.21 sits in MDC 12 and helps define the logic of 2 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 727Inflammation of the Male Reproductive System with MCCmedical
- 728Inflammation of the Male Reproductive System without MCCmedical
How is N48.21 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to N48.21. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Abscess › parafrenal (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic)
- Abscess › penis (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic)
- Carbuncle › corpus cavernosum
- Carbuncle › penis
- Furuncle › corpus cavernosum
- Furuncle › penis
- Abscess › corpus › cavernosum (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic)
- Disease, diseased › inflammatory › penis › abscess
- Disease, diseased › penis › inflammatory › abscess
- Disorder › inflammatory › penis › abscess (of)
Excludes1 — never code together — inherited from N48.2
The conditions below can never be reported together with N48.21 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Use additional code — inherited from N48.2
Report an additional code alongside N48.21 to fully describe the condition. N48.21 is sequenced first.
- code (B95-B97), to identify infectious agent.
Excludes2 — not included here — inherited from Chapter 14
The conditions below are not part of N48.21, but a patient may have both at the same time. When documentation supports it, N48.21 and the excluded code may both be reported.
- 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)
How long has N48.21 existed?
N48.21 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.