|  L23 |  | Allergic contact dermatitis   | 
	
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		| Excludes1 | allergy NOS (T78.40) contact dermatitis NOS (L25.9)
 dermatitis NOS (L30.9)
 
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		| Excludes2 | dermatitis due to substances taken internally (L27.-) dermatitis of eyelid (H01.1-)
 diaper dermatitis (L22)
 eczema of external ear (H60.5-)
 irritant contact dermatitis (L24.-)
 perioral dermatitis (L71.0)
 radiation-related disorders of the skin and subcutaneous tissue (L55-L59)
 
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		|  L23.0 |  | Allergic contact dermatitis due to metals |  
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| Allergic contact dermatitis due to chromium |  | Allergic contact dermatitis due to nickel |  |  | 
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		|  L23.1 |  | Allergic contact dermatitis due to adhesives |  | 
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		|  L23.2 |  | Allergic contact dermatitis due to cosmetics |  | 
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		|  L23.3 |  | Allergic contact dermatitis due to drugs in contact with skin |  
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		| UseAdditionalCode | code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) 
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		| Excludes2 | dermatitis due to ingested drugs and medicaments (L27.0-L27.1) 
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		|  L23.4 |  | Allergic contact dermatitis due to dyes |  | 
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		|  L23.5 |  | Allergic contact dermatitis due to other chemical products |  
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| Allergic contact dermatitis due to cement |  | Allergic contact dermatitis due to insecticide |  | Allergic contact dermatitis due to plastic |  | Allergic contact dermatitis due to rubber |  |  | 
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		|  L23.6 |  | Allergic contact dermatitis due to food in contact with the skin |  
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		| Excludes2 | dermatitis due to ingested food (L27.2) 
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		|  L23.7 |  | Allergic contact dermatitis due to plants, except food |  
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		| Excludes2 | allergy NOS due to pollen (J30.1) 
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		|  L23.8 |  | Allergic contact dermatitis due to other agents |  |  |  | 
	
		|  L23.81 |  | Allergic contact dermatitis due to animal (cat) (dog) dander |  
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| Allergic contact dermatitis due to animal (cat) (dog) hair |  |  |  |  |  | 
	
		|  L23.89 |  | Allergic contact dermatitis due to other agents |  |  | 
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		|  L23.9 |  | Allergic contact dermatitis, unspecified cause |  
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| Allergic contact eczema NOS |  |  |