ICD-10-CM Code M33.92

Dermatopolymyositis, unspecified with myopathy

Version 2020 Billable Code

Valid for Submission

M33.92 is a billable code used to specify a medical diagnosis of dermatopolymyositis, unspecified with myopathy. The code is valid for the year 2020 for the submission of HIPAA-covered transactions. The ICD-10-CM code M33.92 might also be used to specify conditions or terms like dermatomyositis sine myositis or dilated cardiomyopathy secondary to dermatomyositis.

ICD-10:M33.92
Short Description:Dermatopolymyositis, unspecified with myopathy
Long Description:Dermatopolymyositis, unspecified with myopathy

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 M33.92 are found in the index:


Synonyms

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

  • Dermatomyositis sine myositis
  • Dilated cardiomyopathy secondary to dermatomyositis

Diagnostic Related Groups

The ICD-10 code M33.92 is grouped in the following groups for version MS-DRG V37.0 What are Diagnostic Related Groups?
The Diagnostic Related Groups (DRGs) are a patient classification scheme which provides a means of relating the type of patients a hospital treats. The DRGs divides all possible principal diagnoses into mutually exclusive principal diagnosis areas referred to as Major Diagnostic Categories (MDC).
applicable from 10/01/2019 through 09/30/2020.

  • 545 - CONNECTIVE TISSUE DISORDERS WITH MCC
  • 546 - CONNECTIVE TISSUE DISORDERS WITH CC
  • 547 - CONNECTIVE TISSUE DISORDERS WITHOUT CC/MCC

Convert M33.92 to ICD-9

  • 710.3 - Dermatomyositis (Combination Flag)
  • 359.6 - Infl myopathy in oth dis (Combination Flag)

Code Classification

  • Diseases of the musculoskeletal system and connective tissue (M00–M99)
    • Systemic connective tissue disorders (M30-M36)
      • Dermatopolymyositis (M33)

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


Myositis

Myositis means inflammation of the muscles that you use to move your body. An injury, infection, or autoimmune disease can cause it. Two specific kinds are polymyositis and dermatomyositis. Polymyositis causes muscle weakness, usually in the muscles closest to the trunk of your body. Dermatomyositis causes muscle weakness, plus a skin rash.

Other symptoms of myositis may include

  • Fatigue after walking or standing
  • Tripping or falling
  • Trouble swallowing or breathing

Doctors may use a physical exam, lab tests, imaging tests and a muscle biopsy to diagnose myositis. There is no cure for these diseases, but you can treat the symptoms. Polymyositis and dermatomyositis are first treated with high doses of a corticosteroid. Other options include medications, physical therapy, exercise, heat therapy, assistive devices, and rest.

NIH: National Institute of Neurological Disorders and Stroke


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