M33 ICD-10-CM Code: Dermatopolymyositis
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Code definition
Official description
M33Dermatopolymyositis
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where M33 sits
- 1
Chapter 13
Diseases of the musculoskeletal system and connective tissue (M00-M99)
- 2
Section
Systemic connective tissue disorders (M30-M36)
- 3
Category M33
Dermatopolymyositis
- 4
Code M33
Dermatopolymyositis
More specific choices
Codes under M33
M33 is a non-billable category. Choose the child code that best matches the documented diagnosis.
Documentation details
Notes for this code
Inclusion terms
No inclusion terms are listed for M33.
Code first
No “code first” instruction is listed for M33.
Use additional code
No “use additional code” instruction is listed for M33.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for M33.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for M33.
Transparency
Source and release
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Review the CDC/NCHS ICD-10-CM sourceCode-specific guidance
Frequently asked questions
What does ICD-10-CM code M33 mean?
M33 is the FY 2027 U.S. ICD-10-CM code for “Dermatopolymyositis.”
Is M33 a billable or specific ICD-10-CM code?
No. M33 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is M33 located in ICD-10-CM?
M33 is listed in Chapter 13, Diseases of the musculoskeletal system and connective tissue (M00-M99), within Systemic connective tissue disorders (M30-M36) (M30–M36), under category M33, Dermatopolymyositis.
What coding notes are listed for M33?
No inclusion terms are listed for M33 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.
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