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ICD-10-CM Codes
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M00-M99
Diseases of the musculoskeletal system and connective tissue
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M30-M36
Systemic connective tissue disorders
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M33-
Dermatopolymyositis
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2021 ICD-10-CM Diagnosis Code M33.13
2021 ICD-10-CM Diagnosis Code M33.13
Other dermatomyositis without myopathy
2018 - New Code 2019 2020 2021 Billable/Specific Code
- M33.13 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2021 edition of ICD-10-CM M33.13 became effective on October 1, 2020.
- This is the American ICD-10-CM version of M33.13 - other international versions of ICD-10 M33.13 may differ.
The following code(s) above
M33.13 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
- Applicable To annotations, or
- Code Also annotations, or
- Code First annotations, or
- Excludes1 annotations, or
- Excludes2 annotations, or
- Includes annotations, or
- Note annotations, or
- Use Additional annotations
that may be applicable to
M33.13:
- M00-M99
2021 ICD-10-CM Range M00-M99
Diseases of the musculoskeletal system and connective tissueNote- Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition
Type 2 Excludes- arthropathic psoriasis (L40.5-)
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- compartment syndrome (traumatic) (T79.A-)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
- M30-M36
2021 ICD-10-CM Range M30-M36
Systemic connective tissue disordersIncludes- autoimmune disease NOS
- collagen (vascular) disease NOS
- systemic autoimmune disease
- systemic collagen (vascular) disease
Type 1 Excludes- autoimmune disease, single organ or single cell-type -code to relevant condition category
- M33.1
ICD-10-CM Diagnosis Code M33.1
Other dermatomyositis
2016 2017 2018 - Revised Code 2019 2020 2021 Non-Billable/Non-Specific Code
- 545 Connective tissue disorders with mcc
- 546 Connective tissue disorders with cc
- 547 Connective tissue disorders without cc/mcc
Convert M33.13 to ICD-9-CM
Code History
- 2018 (effective 10/1/2017): New code
- 2019 (effective 10/1/2018): No change
- 2020 (effective 10/1/2019): No change
- 2021 (effective 10/1/2020): No change
- Dermatomyositis (acute) (chronic) - see also Dermatopolymyositis
- specified NEC M33.10
ICD-10-CM Diagnosis Code M33.10
Other dermatomyositis, organ involvement unspecified
2016 2017 2018 - Revised Code 2019 2020 2021 Billable/Specific Code
ICD-10-CM Codes Adjacent To M33.13
M33.0 Juvenile dermatomyositis
M33.00 …… organ involvement unspecified
M33.01 …… with respiratory involvement
M33.09 …… with other organ involvement
M33.1 Other dermatomyositis
M33.10 …… organ involvement unspecified
M33.11 …… with respiratory involvement
M33.13
…… without myopathy
M33.19 …… with other organ involvement
M33.20 …… organ involvement unspecified
M33.21 …… with respiratory involvement
M33.29 …… with other organ involvement
M33.9 Dermatopolymyositis, unspecified
M33.90 …… organ involvement unspecified
M33.91 …… with respiratory involvement
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
