2022 ICD-10-CM Code L97.9
Non-pressure chronic ulcer of unspecified part of lower leg

Version 2022
ICD-10:L97.9
Short Description:Non-pressure chronic ulcer of unspecified part of lower leg
Long Description:Non-pressure chronic ulcer of unspecified part of lower leg
Status: Not Valid for Submission

Code Classification

  • Diseases of the skin and subcutaneous tissue (L00–L99)
    • Other disorders of the skin and subcutaneous tissue (L80-L99)
      • Non-pressure chronic ulcer of lower limb, NEC (L97)

L97.9 is a non-specific and non-billable diagnosis code code, consider using a code with a higher level of specificity for a diagnosis of non-pressure chronic ulcer of unspecified part of lower leg. The code is not specific and is NOT valid for the year 2022 for the submission of HIPAA-covered transactions. Category or Header define the heading of a category of codes that may be further subdivided by the use of 4th, 5th, 6th or 7th characters.

Unspecified diagnosis codes like L97.9 are acceptable when clinical information is unknown or not available about a particular condition. Although a more specific code is preferable, unspecified codes should be used when such codes most accurately reflect what is known about a patient's condition. Specific diagnosis codes should not be used if not supported by the patient's medical record.

Specific Coding for Non-pressure chronic ulcer of unspecified part of lower leg

Non-specific codes like L97.9 require more digits to indicate the appropriate level of specificity. Consider using any of the following ICD-10 codes with a higher level of specificity when coding for non-pressure chronic ulcer of unspecified part of lower leg:

  • NON-BILLABLE CODE - L97.90 for Non-pressure chronic ulcer of unspecified part of unspecified lower leg
  • BILLABLE CODE - Use L97.901 for Non-pressure chronic ulcer of unspecified part of unspecified lower leg limited to breakdown of skin
  • BILLABLE CODE - Use L97.902 for Non-pressure chronic ulcer of unspecified part of unspecified lower leg with fat layer exposed
  • BILLABLE CODE - Use L97.903 for Non-pressure chronic ulcer of unspecified part of unspecified lower leg with necrosis of muscle
  • BILLABLE CODE - Use L97.904 for Non-pressure chronic ulcer of unspecified part of unspecified lower leg with necrosis of bone
  • BILLABLE CODE - Use L97.905 for Non-pressure chronic ulcer of unspecified part of unspecified lower leg with muscle involvement without evidence of necrosis
  • BILLABLE CODE - Use L97.906 for Non-pressure chronic ulcer of unspecified part of unspecified lower leg with bone involvement without evidence of necrosis
  • BILLABLE CODE - Use L97.908 for Non-pressure chronic ulcer of unspecified part of unspecified lower leg with other specified severity
  • BILLABLE CODE - Use L97.909 for Non-pressure chronic ulcer of unspecified part of unspecified lower leg with unspecified severity
  • NON-BILLABLE CODE - L97.91 for Non-pressure chronic ulcer of unspecified part of right lower leg
  • BILLABLE CODE - Use L97.911 for Non-pressure chronic ulcer of unspecified part of right lower leg limited to breakdown of skin
  • BILLABLE CODE - Use L97.912 for Non-pressure chronic ulcer of unspecified part of right lower leg with fat layer exposed
  • BILLABLE CODE - Use L97.913 for Non-pressure chronic ulcer of unspecified part of right lower leg with necrosis of muscle
  • BILLABLE CODE - Use L97.914 for Non-pressure chronic ulcer of unspecified part of right lower leg with necrosis of bone
  • BILLABLE CODE - Use L97.915 for Non-pressure chronic ulcer of unspecified part of right lower leg with muscle involvement without evidence of necrosis
  • BILLABLE CODE - Use L97.916 for Non-pressure chronic ulcer of unspecified part of right lower leg with bone involvement without evidence of necrosis
  • BILLABLE CODE - Use L97.918 for Non-pressure chronic ulcer of unspecified part of right lower leg with other specified severity
  • BILLABLE CODE - Use L97.919 for Non-pressure chronic ulcer of unspecified part of right lower leg with unspecified severity
  • NON-BILLABLE CODE - L97.92 for Non-pressure chronic ulcer of unspecified part of left lower leg
  • BILLABLE CODE - Use L97.921 for Non-pressure chronic ulcer of unspecified part of left lower leg limited to breakdown of skin
  • BILLABLE CODE - Use L97.922 for Non-pressure chronic ulcer of unspecified part of left lower leg with fat layer exposed
  • BILLABLE CODE - Use L97.923 for Non-pressure chronic ulcer of unspecified part of left lower leg with necrosis of muscle
  • BILLABLE CODE - Use L97.924 for Non-pressure chronic ulcer of unspecified part of left lower leg with necrosis of bone
  • BILLABLE CODE - Use L97.925 for Non-pressure chronic ulcer of unspecified part of left lower leg with muscle involvement without evidence of necrosis
  • BILLABLE CODE - Use L97.926 for Non-pressure chronic ulcer of unspecified part of left lower leg with bone involvement without evidence of necrosis
  • BILLABLE CODE - Use L97.928 for Non-pressure chronic ulcer of unspecified part of left lower leg with other specified severity
  • BILLABLE CODE - Use L97.929 for Non-pressure chronic ulcer of unspecified part of left lower leg with unspecified severity

Information for Patients


Skin Conditions

Your skin is your body's largest organ. It covers and protects your body. Your skin

Anything that irritates, clogs, or inflames your skin can cause symptoms such as redness, swelling, burning, and itching. Allergies, irritants, your genetic makeup, and certain diseases and immune system problems can cause rashes, hives, and other skin conditions. Many skin problems, such as acne, also affect your appearance.

NIH: National Institute of Arthritis and Musculoskeletal and Skin Diseases


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Code History

  • FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
  • FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
  • FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016 (First year ICD-10-CM implemented into the HIPAA code set)