2021 ICD-10-CM Diagnosis Code L02.521

Furuncle right hand

    2016 2017 2018 2019 2020 2021 Billable/Specific Code
  • L02.521 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2021 edition of ICD-10-CM L02.521 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of L02.521 - other international versions of ICD-10 L02.521 may differ.
The following code(s) above L02.521 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 L02.521:
  • L00-L99
    2021 ICD-10-CM Range L00-L99

    Diseases of the skin and subcutaneous tissue

    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)
    • lipomelanotic reticulosis (I89.8)
    • neoplasms (C00-D49)
    • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
    • systemic connective tissue disorders (M30-M36)
    • viral warts (B07.-)
    Diseases of the skin and subcutaneous tissue
  • L00-L08
    2021 ICD-10-CM Range L00-L08

    Infections of the skin and subcutaneous tissue

    Type 2 Excludes
    • hordeolum (H00.0)
    • infective dermatitis (L30.3)
    • local infections of skin classified in Chapter 1
    • lupus panniculitis (L93.2)
    • panniculitis NOS (M79.3)
    • panniculitis of neck and back (M54.0-)
    • Perlèche NOS (K13.0)
    • Perlèche due to candidiasis (B37.0)
    • Perlèche due to riboflavin deficiency (E53.0)
    • pyogenic granuloma (L98.0)
    • relapsing panniculitis [Weber-Christian] (M35.6)
    • viral warts (B07.-)
    • zoster (B02.-)
    Use Additional
    • code (B95-B97) to identify infectious agent.
    Infections of the skin and subcutaneous tissue
  • L02
    ICD-10-CM Diagnosis Code L02

    Cutaneous abscess, furuncle and carbuncle

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Type 2 Excludes
    • abscess of anus and rectal regions (K61.-)
    • abscess of female genital organs (external) (N76.4)
    • abscess of male genital organs (external) (N48.2, N49.-)
    Use Additional
    • code to identify organism (B95-B96)
    Cutaneous abscess, furuncle and carbuncle
  • L02.52
    ICD-10-CM Diagnosis Code L02.52

    Furuncle hand

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Applicable To
    • Boil of hand
    • Folliculitis of hand
    Furuncle hand
Approximate Synonyms
  • Furuncle of right finger
  • Furuncle of right hand
  • Furuncle of right thumb
  • Right finger furuncle
  • Right furuncle of finger
  • Right furuncle of hand
  • Right furuncle of thumb
  • Right hand furuncle
  • Right thumb furuncle
ICD-10-CM L02.521 is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):
  • 602 Cellulitis with mcc
  • 603 Cellulitis without mcc

Convert L02.521 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
  • 2021 (effective 10/1/2020): No change
ICD-10-CM Codes Adjacent To L02.521
L02.434 Carbuncle of left upper limb
L02.435 Carbuncle of right lower limb
L02.436 Carbuncle of left lower limb
L02.439 …… unspecified
L02.5 Cutaneous abscess, furuncle and carbuncle of hand
L02.51 Cutaneous abscess of hand
L02.511 Cutaneous abscess of right hand
L02.512 Cutaneous abscess of left hand
L02.519 Cutaneous abscess of unspecified hand
L02.52 Furuncle hand
L02.521 Furuncle right hand
L02.522 Furuncle left hand
L02.529 Furuncle unspecified hand
L02.53 Carbuncle of hand
L02.531 Carbuncle of right hand
L02.532 Carbuncle of left hand
L02.539 Carbuncle of unspecified hand
L02.6 Cutaneous abscess, furuncle and carbuncle of foot
L02.61 Cutaneous abscess of foot
L02.611 Cutaneous abscess of right foot
L02.612 Cutaneous abscess of left foot

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