M36.4
✓ BillableArthropathy in hypersensitivity reactions classified elsewhere
Diseases of the musculoskeletal system and connective tissue (M00-M99)
⚠️ Excludes2
inheritedRules inherited from parent codes.
- • arthropathies in diseases classified elsewhere (M14.-)
📋 Code Instructions
direct- • Code first: underlying disease, such as:
- • Code first: Henoch (-Schönlein) purpura (D69.0)
- • Code first: serum sickness (T80.6-)
Clinical Description
ICD-10-CM code M36.4 represents arthropathy in hypersensitivity reactions classified elsewhere. This code falls under the Diseases of the musculoskeletal system and connective tissue (M00-M99) classification. It is a billable/specific code valid for HIPAA-covered transactions as of October 1, 2025 (FY2026). This code can be used to indicate a diagnosis for reimbursement purposes on insurance claims.
This is a 5-character code at the 4th level of specificity. This is the most specific code available in this subcategory.
Frequently Asked Questions
What is ICD-10 code M36.4?
ICD-10-CM code M36.4 is "Arthropathy in hypersensitivity reactions classified elsewhere". It belongs to the category: Diseases of the musculoskeletal system and connective tissue (M00-M99).
Is M36.4 a billable ICD-10 code?
Yes, M36.4 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
Can M36.4 be coded with other codes?
M36.4 has 1 Excludes2 note(s). These conditions can be coded together if both are documented in the patient record.
Related Codes in M36
Other codes in the same category that may be relevant for differential coding:
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Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)