2019 ICD-10-CM Diagnosis Code L03.01

Cellulitis of finger

    2016 2017 2018 2019 Non-Billable/Non-Specific Code
  • L03.01 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • The 2019 edition of ICD-10-CM L03.01 became effective on October 1, 2018.
  • This is the American ICD-10-CM version of L03.01 - other international versions of ICD-10 L03.01 may differ.
Applicable To
  • Felon
  • Whitlow
Type 1 Excludes
Type 1 Excludes Help
A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as L03.01. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
  • herpetic whitlow (
    ICD-10-CM Diagnosis Code B00.89

    Other herpesviral infection

      2016 2017 2018 2019 Billable/Specific Code
    Applicable To
    • Herpesviral whitlow
    B00.89
    )
The following code(s) above L03.01 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 L03.01:
  • L00-L99
    2019 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
    2019 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
  • L03
    ICD-10-CM Diagnosis Code L03

    Cellulitis and acute lymphangitis

      2016 2017 2018 2019 Non-Billable/Non-Specific Code
    Type 2 Excludes
    • cellulitis of anal and rectal region (K61.-)
    • cellulitis of external auditory canal (H60.1)
    • cellulitis of eyelid (H00.0)
    • cellulitis of female external genital organs (N76.4)
    • cellulitis of lacrimal apparatus (H04.3)
    • cellulitis of male external genital organs (N48.2, N49.-)
    • cellulitis of mouth (K12.2)
    • cellulitis of nose (J34.0)
    • eosinophilic cellulitis [Wells] (L98.3)
    • febrile neutrophilic dermatosis [Sweet] (L98.2)
    • lymphangitis (chronic) (subacute) (I89.1)
    Cellulitis and acute lymphangitis
  • L03.0
    ICD-10-CM Diagnosis Code L03.0

    Cellulitis and acute lymphangitis of finger and toe

      2016 2017 2018 2019 Non-Billable/Non-Specific Code
    Applicable To
    • Infection of nail
    • Onychia
    • Paronychia
    • Perionychia
    Cellulitis and acute lymphangitis of finger and toe
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
Code annotations containing back-references to L03.01:
  • Type 2 Excludes: L03.11
    ICD-10-CM Diagnosis Code L03.11

    Cellulitis of other parts of limb

      2016 2017 2018 2019 Non-Billable/Non-Specific Code
    Type 2 Excludes

Diagnosis Index entries containing back-references to L03.01:
  • Cellulitis (diffuse) (phlegmonous) (septic) (suppurative) L03.90
    ICD-10-CM Diagnosis Code L03.90

    Cellulitis, unspecified

      2016 2017 2018 2019 Billable/Specific Code
    • finger L03.01- (intrathecal) (periosteal) (subcutaneous) (subcuticular)
  • Infection, infected, infective (opportunistic) B99.9
    ICD-10-CM Diagnosis Code B99.9

    Unspecified infectious disease

      2016 2017 2018 2019 Billable/Specific Code
    • finger (skin) L08.9
      ICD-10-CM Diagnosis Code L08.9

      Local infection of the skin and subcutaneous tissue, unspecified

        2016 2017 2018 2019 Billable/Specific Code
    • nail (chronic)

ICD-10-CM Codes Adjacent To L03.01
L02.828 Furuncle of other sites
L02.83 Carbuncle of other sites
L02.831 Carbuncle of head [any part, except face]
L02.838 Carbuncle of other sites
L02.9 Cutaneous abscess, furuncle and carbuncle, unspecified
L02.91 Cutaneous abscess, unspecified
L02.92 Furuncle, unspecified
L02.93 Carbuncle, unspecified
L03 Cellulitis and acute lymphangitis
L03.0 Cellulitis and acute lymphangitis of finger and toe
L03.01 Cellulitis of finger
L03.011 Cellulitis of right finger
L03.012 Cellulitis of left finger
L03.019 Cellulitis of unspecified finger
L03.02 Acute lymphangitis of finger
L03.021 Acute lymphangitis of right finger
L03.022 Acute lymphangitis of left finger
L03.029 Acute lymphangitis of unspecified finger
L03.03 Cellulitis of toe
L03.031 Cellulitis of right toe
L03.032 Cellulitis of left toe

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