M30.1 – Polyarteritis with lung involvement [Churg-Strauss]
ICD-10-CM 2027 diagnosis code · Systemic connective tissue disorders
ICD-10-CM code
M30.1
- Code
M30.1(claims format:M301)- Description
- Polyarteritis with lung involvement [Churg-Strauss]
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 13. Diseases of the musculoskeletal system and connective tissue (M00-M99)
- Block
- M30-M36 Systemic connective tissue disorders
- Parent codes
- M30
Notes for M30.1
Applicable to:
- Allergic granulomatous angiitis
- Eosinophilic granulomatosis with polyangiitis [EGPA]
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
M30 – Polyarteritis nodosa and related conditions
Excludes1 (not coded here):
- microscopic polyarteritis (M31.7)
Block M30-M36
Includes:
- autoimmune disease NOS
- collagen (vascular) disease NOS
- systemic autoimmune disease
- systemic collagen (vascular) disease
Excludes1 (not coded here):
- autoimmune disease, single organ or single cell-type -code to relevant condition category
Index terms for M30.1
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in M30
Frequently asked questions
What is ICD-10 code M30.1?
M30.1 is the ICD-10-CM code for polyarteritis with lung involvement [Churg-Strauss], in the block M30-M36 (Systemic connective tissue disorders).
Is M30.1 a billable code?
Yes. M30.1 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does M30.1 belong to?
It belongs to category M30 – Polyarteritis nodosa and related conditions.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.