M31.0 ICD-10-CM Code: Hypersensitivity angiitis
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Code definition
Official description
M31.0Hypersensitivity angiitis
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where M31.0 sits
- 1
Chapter 13
Diseases of the musculoskeletal system and connective tissue (M00-M99)
- 2
Section
Systemic connective tissue disorders (M30-M36)
- 3
Category M31
Other necrotizing vasculopathies
- 4
Code M31.0
Hypersensitivity angiitis
Documentation details
Notes for this code
Inclusion terms
- Goodpasture's syndrome
Code first
No “code first” instruction is listed for M31.0.
Use additional code
No “use additional code” instruction is listed for M31.0.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for M31.0.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for M31.0.
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 M31.0 mean?
M31.0 is the FY 2027 U.S. ICD-10-CM code for “Hypersensitivity angiitis.”
Is M31.0 a billable or specific ICD-10-CM code?
Yes. In the FY 2027 reference data used on this page, M31.0 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.
Where is M31.0 located in ICD-10-CM?
M31.0 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 M31, Other necrotizing vasculopathies.
What coding notes are listed for M31.0?
Its listed inclusion terms are Goodpasture's syndrome. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.
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