2021 ICD-10-CM Code L98.424

Non-pressure chronic ulcer of back with necrosis of bone

Version 2021
Billable Code
MS-DRG Mapping

Valid for Submission

L98.424 is a billable diagnosis code used to specify a medical diagnosis of non-pressure chronic ulcer of back with necrosis of bone. The code L98.424 is valid during the fiscal year 2021 from October 01, 2020 through September 30, 2021 for the submission of HIPAA-covered transactions.

The ICD-10-CM code L98.424 might also be used to specify conditions or terms like chronic ulcer of back, chronic ulcer of back, chronic ulcer of sacral region, necrosis of back bone co-occurrent and due to chronic ulcer of back, necrosis of back bone co-occurrent and due to chronic ulcer of back , necrosis of sacral bone co-occurrent and due to chronic ulcer of sacrum, etc.

ICD-10:L98.424
Short Description:Non-pressure chronic ulcer of back with necrosis of bone
Long Description:Non-pressure chronic ulcer of back with necrosis of bone

Code Classification

Index to Diseases and Injuries

The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10 code(s). The following references for the code L98.424 are found in the index:

Approximate Synonyms

The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:

Convert L98.424 to ICD-9 Code

The General Equivalency Mapping (GEM) crosswalk indicates an approximate mapping between the ICD-10 code L98.424 its ICD-9 equivalent. The approximate mapping means there is not an exact match between the ICD-10 code and the ICD-9 code and the mapped code is not a precise representation of the original code.

Information for Patients


Skin Conditions

Also called: Cutaneous disorders, Dermatologic disorders

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)