|  T56 |  | Toxic effect of metals   | 
	
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		| Includes | toxic effects of fumes and vapors of metals toxic effects of metals from all sources, except medicinal substances
 
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		| UseAdditionalCode | code to identify any retained metal foreign body, if applicable (Z18.0-, T18.1-) 
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		| Excludes1 | arsenic and its compounds (T57.0) manganese and its compounds (T57.2)
 
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		| char7Note | The appropriate 7th character is to be added to each code from category T56 
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		| char7Def | A: initial encounter D: subsequent encounter
 S: sequela
 
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		|  T56.0 |  | Toxic effects of lead and its compounds |  |  |  | 
	
		|  T56.0X |  | Toxic effects of lead and its compounds |  |  |  | 
	
		|  T56.0X1 |  | Toxic effect of lead and its compounds, accidental (unintentional) |  
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| Toxic effects of lead and its compounds NOS |  |  |  |  |  | 
	
		|  T56.0X2 |  | Toxic effect of lead and its compounds, intentional self-harm |  |  |  |  | 
	
		|  T56.0X3 |  | Toxic effect of lead and its compounds, assault |  |  |  |  | 
	
		|  T56.0X4 |  | Toxic effect of lead and its compounds, undetermined |  |  |  | 
|  |  | 
	
		|  T56.1 |  | Toxic effects of mercury and its compounds |  |  |  | 
	
		|  T56.1X |  | Toxic effects of mercury and its compounds |  |  |  | 
	
		|  T56.1X1 |  | Toxic effect of mercury and its compounds, accidental (unintentional) |  
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| Toxic effects of mercury and its compounds NOS |  |  |  |  |  | 
	
		|  T56.1X2 |  | Toxic effect of mercury and its compounds, intentional self-harm |  |  |  |  | 
	
		|  T56.1X3 |  | Toxic effect of mercury and its compounds, assault |  |  |  |  | 
	
		|  T56.1X4 |  | Toxic effect of mercury and its compounds, undetermined |  |  |  | 
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		|  T56.2 |  | Toxic effects of chromium and its compounds |  |  |  | 
	
		|  T56.2X |  | Toxic effects of chromium and its compounds |  |  |  | 
	
		|  T56.2X1 |  | Toxic effect of chromium and its compounds, accidental (unintentional) |  
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| Toxic effects of chromium and its compounds NOS |  |  |  |  |  | 
	
		|  T56.2X2 |  | Toxic effect of chromium and its compounds, intentional self-harm |  |  |  |  | 
	
		|  T56.2X3 |  | Toxic effect of chromium and its compounds, assault |  |  |  |  | 
	
		|  T56.2X4 |  | Toxic effect of chromium and its compounds, undetermined |  |  |  | 
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		|  T56.3 |  | Toxic effects of cadmium and its compounds |  |  |  | 
	
		|  T56.3X |  | Toxic effects of cadmium and its compounds |  |  |  | 
	
		|  T56.3X1 |  | Toxic effect of cadmium and its compounds, accidental (unintentional) |  
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| Toxic effects of cadmium and its compounds NOS |  |  |  |  |  | 
	
		|  T56.3X2 |  | Toxic effect of cadmium and its compounds, intentional self-harm |  |  |  |  | 
	
		|  T56.3X3 |  | Toxic effect of cadmium and its compounds, assault |  |  |  |  | 
	
		|  T56.3X4 |  | Toxic effect of cadmium and its compounds, undetermined |  |  |  | 
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		|  T56.4 |  | Toxic effects of copper and its compounds |  |  |  | 
	
		|  T56.4X |  | Toxic effects of copper and its compounds |  |  |  | 
	
		|  T56.4X1 |  | Toxic effect of copper and its compounds, accidental (unintentional) |  
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| Toxic effects of copper and its compounds NOS |  |  |  |  |  | 
	
		|  T56.4X2 |  | Toxic effect of copper and its compounds, intentional self-harm |  |  |  |  | 
	
		|  T56.4X3 |  | Toxic effect of copper and its compounds, assault |  |  |  |  | 
	
		|  T56.4X4 |  | Toxic effect of copper and its compounds, undetermined |  |  |  | 
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		|  T56.5 |  | Toxic effects of zinc and its compounds |  |  |  | 
	
		|  T56.5X |  | Toxic effects of zinc and its compounds |  |  |  | 
	
		|  T56.5X1 |  | Toxic effect of zinc and its compounds, accidental (unintentional) |  
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| Toxic effects of zinc and its compounds NOS |  |  |  |  |  | 
	
		|  T56.5X2 |  | Toxic effect of zinc and its compounds, intentional self-harm |  |  |  |  | 
	
		|  T56.5X3 |  | Toxic effect of zinc and its compounds, assault |  |  |  |  | 
	
		|  T56.5X4 |  | Toxic effect of zinc and its compounds, undetermined |  |  |  | 
|  |  | 
	
		|  T56.6 |  | Toxic effects of tin and its compounds |  |  |  | 
	
		|  T56.6X |  | Toxic effects of tin and its compounds |  |  |  | 
	
		|  T56.6X1 |  | Toxic effect of tin and its compounds, accidental (unintentional) |  
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| Toxic effects of tin and its compounds NOS |  |  |  |  |  | 
	
		|  T56.6X2 |  | Toxic effect of tin and its compounds, intentional self-harm |  |  |  |  | 
	
		|  T56.6X3 |  | Toxic effect of tin and its compounds, assault |  |  |  |  | 
	
		|  T56.6X4 |  | Toxic effect of tin and its compounds, undetermined |  |  |  | 
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		|  T56.7 |  | Toxic effects of beryllium and its compounds |  |  |  | 
	
		|  T56.7X |  | Toxic effects of beryllium and its compounds |  |  |  | 
	
		|  T56.7X1 |  | Toxic effect of beryllium and its compounds, accidental (unintentional) |  
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| Toxic effects of beryllium and its compounds NOS |  |  |  |  |  | 
	
		|  T56.7X2 |  | Toxic effect of beryllium and its compounds, intentional self-harm |  |  |  |  | 
	
		|  T56.7X3 |  | Toxic effect of beryllium and its compounds, assault |  |  |  |  | 
	
		|  T56.7X4 |  | Toxic effect of beryllium and its compounds, undetermined |  |  |  | 
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		|  T56.8 |  | Toxic effects of other metals |  |  |  | 
	
		|  T56.81 |  | Toxic effect of thallium |  |  |  | 
	
		|  T56.811 |  | Toxic effect of thallium, accidental (unintentional) |  
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| Toxic effect of thallium NOS |  |  |  |  |  | 
	
		|  T56.812 |  | Toxic effect of thallium, intentional self-harm |  |  |  |  | 
	
		|  T56.813 |  | Toxic effect of thallium, assault |  |  |  |  | 
	
		|  T56.814 |  | Toxic effect of thallium, undetermined |  |  |  |  |  | 
	
		|  T56.82 |  | Toxic effect of gadolinium |  
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		| Excludes1 | adverse effect of diagnostic agents (T50.8X5-) 
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		|  T56.821 |  | Toxic effect of gadolinium, accidental (unintentional) |  
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| Toxic effect of gadolinium NOS |  |  |  |  |  | 
	
		|  T56.822 |  | Toxic effect of gadolinium, intentional self-harm |  |  |  |  | 
	
		|  T56.823 |  | Toxic effect of gadolinium, assault |  |  |  |  | 
	
		|  T56.824 |  | Toxic effect of gadolinium, undetermined |  |  |  |  |  | 
	
		|  T56.89 |  | Toxic effects of other metals |  |  |  | 
	
		|  T56.891 |  | Toxic effect of other metals, accidental (unintentional) |  
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| Toxic effects of other metals NOS |  |  |  |  |  | 
	
		|  T56.892 |  | Toxic effect of other metals, intentional self-harm |  |  |  |  | 
	
		|  T56.893 |  | Toxic effect of other metals, assault |  |  |  |  | 
	
		|  T56.894 |  | Toxic effect of other metals, undetermined |  |  |  | 
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		|  T56.9 |  | Toxic effects of unspecified metal |  |  |  | 
	
		|  T56.91 |  | Toxic effect of unspecified metal, accidental (unintentional) |  |  |  |  | 
	
		|  T56.92 |  | Toxic effect of unspecified metal, intentional self-harm |  |  |  |  | 
	
		|  T56.93 |  | Toxic effect of unspecified metal, assault |  |  |  |  | 
	
		|  T56.94 |  | Toxic effect of unspecified metal, undetermined |  |  |