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ICD-10-CM Code M33.90
Dermatopolymyositis, unspecified, organ involvement unspecified

Billable Code
Billable codes are sufficient justification for admission to an acute care hospital when used a principal diagnosis.
| ICD-10 from 2011 - 2016

M33.90 is a billable ICD code used to specify a diagnosis of dermatopolymyositis, unspecified, organ involvement unspecified. A 'billable code' is detailed enough to be used to specify a medical diagnosis.

The ICD code M33 is used to code Inflammatory myopathy

Inflammatory myopathy (inflammatory muscle disease or myositis) is disease featuring weakness and inflammation of muscles and (in some types) muscle pain. The cause of much inflammatory myopathy is unknown (idiopathic), and such cases are classified according to their symptoms and signs and electromyography, MRI and laboratory findings. The main classes of idiopathic inflammatory myopathy are polymyositis (PM), dermatomyositis (DM), and inclusion-body myositis (IBM).

Specialty: Neurology
MeSH Codes: D009220, D009220, D009220
ICD 9 Codes: 359.6, 710.3, 710.4

Gottron's papules on the hand of a patient with juvenile dermatomyositis.

Source: Wikipedia

MS-DRG Mapping

  • DRG Group #545-547 - Connective tissue disorders with MCC.
  • DRG Group #545-547 - Connective tissue disorders with CC.
  • DRG Group #545-547 - Connective tissue disorders without CC or MCC.

ICD-10-CM Alphabetical Index References for 'M33.90 - Dermatopolymyositis, unspecified, organ involvement unspecified'

The ICD-10-CM Alphabetical Index links the below-listed medical terms to the ICD code M33.90. Click on any term below to browse the alphabetical index.

Dermatopolymyositis (M33.90)


Dermatomyositis (approximate match)

This is the official approximate match mapping between ICD9 and ICD10, as provided by the General Equivalency mapping crosswalk. This means that while there is no exact mapping between this ICD10 code M33.90 and a single ICD9 code, 710.3 is an approximate match for comparison and conversion purposes.

Parent Code: M33.9 - Dermatopolymyositis, unspecified

** This Document Provided By ICD.Codes **
Source: http://icd.codes/icd10cm/M3390