2023 ICD-10-CM Diagnosis Code L97.904

Non-pressure chronic ulcer of unspecified part of unspecified lower leg with necrosis of bone

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  • L97.904 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • Short description: Non-prs chronic ulc unsp prt of unsp lower leg w necros bone
  • The 2023 edition of ICD-10-CM L97.904 became effective on October 1, 2022.
  • This is the American ICD-10-CM version of L97.904 - other international versions of ICD-10 L97.904 may differ.
The following code(s) above L97.904 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 L97.904:
  • L00-L99
    2023 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
  • L97
    ICD-10-CM Diagnosis Code L97

    Non-pressure chronic ulcer of lower limb, not elsewhere classified

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Code First
    Includes
    • chronic ulcer of skin of lower limb NOS
    • non-healing ulcer of skin
    • non-infected sinus of skin
    • trophic ulcer NOS
    • tropical ulcer NOS
    • ulcer of skin of lower limb NOS
    Type 2 Excludes
    • pressure ulcer (pressure area) (L89.-)
    • skin infections (L00-L08)
    • specific infections classified to A00-B99
    Non-pressure chronic ulcer of lower limb, not elsewhere classified
Approximate Synonyms
  • Atherosclerotic ischemic ulcer of lower leg with bone necrosis
  • Atherosclerotic ischemic ulcer of lower leg, bone necrosis
  • Chronic ulcer of lower leg with bone necrosis
  • Chronic ulcer of lower leg, bone necrosis
  • Diabetes type 1 with diabetic ulcer of lower leg, bone necrosis
  • Diabetes type 2 with diabetic ulcer of lower leg, bone necrosis
  • Diabetic ulcer of lower leg with bone necrosis due to dm 1
  • Diabetic ulcer of lower leg with bone necrosis due to dm 2
  • Neuropathic ulcer of lower leg with bone necrosis
  • Neuropathic ulcer of lower leg, bone necrosis
  • Varicose ulcer of lower leg with bone necrosis
  • Varicose ulcer of lower leg, bone necrosis
  • Venous stasis edema with ulcer of lower leg, bone necrosis
  • Venous stasis ulcer with edema of lower leg with bone necrosis
ICD-10-CM L97.904 is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):
  • 573 Skin graft for skin ulcer or cellulitis with mcc
  • 574 Skin graft for skin ulcer or cellulitis with cc
  • 575 Skin graft for skin ulcer or cellulitis without cc/mcc
  • 592 Skin ulcers with mcc
  • 593 Skin ulcers with cc
  • 594 Skin ulcers without cc/mcc

Convert L97.904 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
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change

Diagnosis Index entries containing back-references to L97.904:
  • Ulcer, ulcerated, ulcerating, ulceration, ulcerative
    • lower limb (atrophic) (chronic) (neurogenic) (perforating) (pyogenic) (trophic) (tropical) L97.909
      ICD-10-CM Diagnosis Code L97.909

      Non-pressure chronic ulcer of unspecified part of unspecified lower leg with unspecified severity

        2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
      • with
        • bone necrosis L97.904
      • lower leg NOS L97.909
        ICD-10-CM Diagnosis Code L97.909

        Non-pressure chronic ulcer of unspecified part of unspecified lower leg with unspecified severity

          2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
        • with
          • bone necrosis L97.904

ICD-10-CM Codes Adjacent To L97.904
L97.824 …… with necrosis of bone
L97.825 …… with muscle involvement without evidence of necrosis
L97.826 …… with bone involvement without evidence of necrosis
L97.828 …… with other specified severity
L97.829 …… with unspecified severity
L97.9 Non-pressure chronic ulcer of unspecified part of lower leg
L97.90 Non-pressure chronic ulcer of unspecified part of unspecified lower leg
L97.901 …… limited to breakdown of skin
L97.902 …… with fat layer exposed
L97.903 …… with necrosis of muscle
L97.904 …… with necrosis of bone
L97.905 …… with muscle involvement without evidence of necrosis
L97.906 …… with bone involvement without evidence of necrosis
L97.908 …… with other specified severity
L97.909 …… with unspecified severity
L97.91 Non-pressure chronic ulcer of unspecified part of right lower leg
L97.911 …… limited to breakdown of skin
L97.912 …… with fat layer exposed
L97.913 …… with necrosis of muscle
L97.914 …… with necrosis of bone
L97.915 …… with muscle involvement without evidence of necrosis

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