2008 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Musculoskeletal System And Connective Tissue 710-739 > Arthropathies And Related Disorders 710-719 > Diffuse Diseases Of Connective Tissue 710.* >  2008 ICD-9-CM Diagnosis 710.4
Polymyositis On October 1, 2008 the 2009 ICD-9-CM codes came into effect. Therefore, this code may be out of date.
The 2009 version of ICD-9-CM 710.4 can be accessed here. - Diseases characterized by inflammation involving multiple muscles. This may occur as an acute or chronic condition associated with medication toxicity (DRUG TOXICITY, NERVOUS SYSTEM); CONNECTIVE TISSUE DISEASES; infections; malignant NEOPLASMS; and other disorders. The term polymyositis is frequently used to refer to a specific clinical entity characterized by subacute or slowly progressing symmetrical weakness primarily affecting the proximal limb and trunk muscles. The illness may occur at any age, but is most frequent in the fourth to sixth decade of life. Weakness of pharyngeal and laryngeal muscles, interstitial lung disease, and inflammation of the myocardium may also occur. Muscle biopsy reveals widespread destruction of segments of muscle fibers and an inflammatory cellular response. (Adams et al., Principles of Neurology, 6th ed, pp1404-9)
- 710.4 is a specific code that can be used to specify a diagnosis
- 710.4 contains 1 index entry
- View the ICD-9-CM Volume 1 710.* hierarchy
Index entries containing 710.4:- Polymyositis (acute) (chronic) (hemorrhagic)
 710.4- with involvement of
- ossificans (generalisata) (progressiva) 728.19
- Wagner's (dermatomyositis) 710.3
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