|  M36 |  | Systemic disorders of connective tissue in diseases classified elsewhere  | 
	
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		| Excludes2 | arthropathies in diseases classified elsewhere (M14.-) 
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		|  M36.0 |  | Dermato(poly)myositis in neoplastic disease |  
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		| CodeFirst | underlying neoplasm (C00-D49) 
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		| nonPrimary | Yes 
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		|  M36.1 |  | Arthropathy in neoplastic disease |  
		|  |  | 
	
		| CodeFirst | underlying neoplasm, such as: leukemia (C91-C95)
 malignant histiocytosis (C96.A)
 multiple myeloma (C90.0)
 
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		| nonPrimary | Yes 
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|  |  | 
	
		|  M36.2 |  | Hemophilic arthropathy |  
		|  |  | 
| Hemarthrosis in hemophilic arthropathy |  
		| CodeFirst | underlying disease, such as: factor VIII deficiency (D66)
 with vascular defect (D68.0-)
 factor IX deficiency (D67)
 hemophilia (classical) (D66)
 hemophilia B (D67)
 hemophilia C (D68.1)
 
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		| nonPrimary | Yes 
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|  |  | 
	
		|  M36.3 |  | Arthropathy in other blood disorders |  
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		| CodeFirst | underlying disease, such as: disease of blood and blood-forming organs, unspecified (D75.9)
 other hemoglobinopathies (D58.2)
 thalassemia (D56.-)
 
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		| nonPrimary | Yes 
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|  |  | 
	
		|  M36.4 |  | Arthropathy in hypersensitivity reactions classified elsewhere |  
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		| CodeFirst | underlying disease, such as: Henoch (-Schönlein) purpura (D69.0)
 serum sickness (T80.6-)
 
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		| nonPrimary | Yes 
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		|  M36.8 |  | Systemic disorders of connective tissue in other diseases classified elsewhere |  
		|  |  | 
	
		| CodeFirst | underlying disease, such as: alkaptonuria (E70.29)
 hypogammaglobulinemia (D80.-)
 ochronosis (E70.29)
 
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		| nonPrimary | Yes 
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