Polymyositis
Polymyositis
M33.2 is a header (parent) code in the ICD-10-CM hierarchy. It is not billable for claim submission. Use one of the billable child codes listed below.
Billable codes in this category
Each of the codes below is billable. Choose the one that most accurately describes the patient's diagnosis.
Polymyositis with organ involvement that has not been specified in the clinical documentation — used when the treating provider has established a polymyositis diagnosis but has not documented which organ system beyond skeletal muscle is affected.
Polymyositis with documented respiratory involvement, such as interstitial lung disease or pulmonary compromise — use when both the inflammatory myopathy and the pulmonary manifestation are confirmed and charted.
Polymyositis with confirmed muscle involvement (myopathy), classified under the dermatopolymyositis category of systemic connective tissue disorders.
Polymyositis with documented involvement of an organ system other than the respiratory tract or skeletal muscle — such as cardiac or gastrointestinal involvement.