ICD-10-CM Code L98.42

Non-pressure chronic ulcer of back

Version 2020 Non-Billable Code

Not Valid for Submission

L98.42 is a "header" nonspecific and non-billable code code, consider using a code with a higher level of specificity for a diagnosis of non-pressure chronic ulcer of back. The code is NOT valid for the year 2020 for the submission of HIPAA-covered transactions.

ICD-10:L98.42
Short Description:Non-pressure chronic ulcer of back
Long Description:Non-pressure chronic ulcer of back

Consider the following ICD-10 codes with a higher level of specificity:

  • L98.421 - Non-pressure chronic ulcer of back limited to breakdown of skin
  • L98.422 - Non-pressure chronic ulcer of back with fat layer exposed
  • L98.423 - Non-pressure chronic ulcer of back with necrosis of muscle
  • L98.424 - Non-pressure chronic ulcer of back with necrosis of bone
  • L98.425 - Non-pressure chronic ulcer of back with muscle involvement without evidence of necrosis
  • L98.426 - Non-pressure chronic ulcer of back with bone involvement without evidence of necrosis
  • L98.428 - Non-pressure chronic ulcer of back with other specified severity
  • L98.429 - Non-pressure chronic ulcer of back with unspecified severity

Code Classification

  • Diseases of the skin and subcutaneous tissue (L00–L99)
    • Other disorders of the skin and subcutaneous tissue (L80-L99)
      • Oth disorders of skin, subcu, not elsewhere classified (L98)

Code History

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

Information for Patients


Skin Conditions

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

  • Holds body fluids in, preventing dehydration
  • Keeps harmful microbes out, preventing infections
  • Helps you feel things like heat, cold, and pain
  • Keeps your body temperature even
  • Makes vitamin D when the sun shines on it

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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