2020 ICD-10-CM Diagnosis Code N48.21

Abscess of corpus cavernosum and penis

    2016 2017 2018 2019 2020 Billable/Specific Code Male Dx
  • N48.21 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2020 edition of ICD-10-CM N48.21 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of N48.21 - other international versions of ICD-10 N48.21 may differ.
ICD-10-CM Coding Rules
  • N48.21 is applicable to male patients.
The following code(s) above N48.21 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to N48.21:
  • N00-N99
    2020 ICD-10-CM Range N00-N99

    Diseases of the genitourinary system

    Type 2 Excludes
    • 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)
    Diseases of the genitourinary system
  • N48.2
    ICD-10-CM Diagnosis Code N48.2

    Other inflammatory disorders of penis

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • balanitis (N48.1)
    • balanitis xerotica obliterans (N48.0)
    • balanoposthitis (N47.6)
    Use Additional
    • code (B95-B97), to identify infectious agent.
    Other inflammatory disorders of penis
Approximate Synonyms
  • Abscess of penis
  • Boil of penis
  • Penile abscess
ICD-10-CM N48.21 is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):
  • 727 Inflammation of the male reproductive system with mcc
  • 728 Inflammation of the male reproductive system without mcc

Convert N48.21 to ICD-9-CM

Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change

Diagnosis Index entries containing back-references to N48.21:
  • Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic) L02.91
    ICD-10-CM Diagnosis Code L02.91

    Cutaneous abscess, unspecified

      2016 2017 2018 2019 2020 Billable/Specific Code
    • corpus
      • cavernosum N48.21
    • penis N48.21
    • parafrenal N48.21
  • Carbuncle L02.93
    ICD-10-CM Diagnosis Code L02.93

    Carbuncle, unspecified

      2016 2017 2018 2019 2020 Billable/Specific Code
    • corpus cavernosum N48.21
    • penis N48.21
  • Disease, diseased - see also Syndrome
    • inflammatory
      • penis N48.29
        ICD-10-CM Diagnosis Code N48.29

        Other inflammatory disorders of penis

          2016 2017 2018 2019 2020 Billable/Specific Code Male Dx
        • abscess N48.21
    • penis N48.9
      ICD-10-CM Diagnosis Code N48.9

      Disorder of penis, unspecified

        2016 2017 2018 2019 2020 Billable/Specific Code Male Dx
      • inflammatory N48.29
        ICD-10-CM Diagnosis Code N48.29

        Other inflammatory disorders of penis

          2016 2017 2018 2019 2020 Billable/Specific Code Male Dx
        • abscess N48.21
  • Disorder (of) - see also Disease
    • inflammatory
      • penis N48.29
        ICD-10-CM Diagnosis Code N48.29

        Other inflammatory disorders of penis

          2016 2017 2018 2019 2020 Billable/Specific Code Male Dx
        • abscess N48.21
  • Furuncle L02.92
    ICD-10-CM Diagnosis Code L02.92

    Furuncle, unspecified

      2016 2017 2018 2019 2020 Billable/Specific Code
    Applicable To
    • Boil NOS
    • Furunculosis NOS
    • corpus cavernosum N48.21
    • penis N48.21

ICD-10-CM Codes Adjacent To N48.21
N47.3 Deficient foreskin
N47.4 Benign cyst of prepuce
N47.5 Adhesions of prepuce and glans penis
N47.6 Balanoposthitis
N47.7 Other inflammatory diseases of prepuce
N47.8 Other disorders of prepuce
N48 Other disorders of penis
N48.0 Leukoplakia of penis
N48.1 Balanitis
N48.2 Other inflammatory disorders of penis
N48.21 Abscess of corpus cavernosum and penis
N48.22 Cellulitis of corpus cavernosum and penis
N48.29 Other inflammatory disorders of penis
N48.3 Priapism
N48.30 …… unspecified
N48.31 …… due to trauma
N48.32 …… due to disease classified elsewhere
N48.33 …… drug-induced
N48.39 Other priapism
N48.5 Ulcer of penis
N48.6 Induration penis plastica

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.