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M33.20 - Polymyositis, organ involvement unspecified


The ICD 10 Code for Polymyositis, organ involvement unspecified is listed as M33.20.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: M33.20
Description: Polymyositis, organ involvement unspecified
Diagnostic Related Groups
(MS-DRG v30.0)
545 - Connective Tissue Disorders W Mcc
546 - Connective Tissue Disorders W Cc
547 - Connective Tissue Disorders W/o Cc/mcc
Chapter Diseases of the musculoskeletal system and connective tissue (M00-M99)
Block Systemic connective tissue disorders (M30-M36)
Parent M33.2 - Polymyositis
ICD-9-CM Diagnosis Codes General Equivalence Mappings (GEMS):
ICD 9 Dx Code: 710.4 - Polymyositis (approximate)
ICD-10-CM Siblings (same level / similar specificity) of M33.20:
M33.21 - Polymyositis with respiratory involvement
M33.22 - Polymyositis with myopathy
M33.29 - Polymyositis with other organ involvement