2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Digestive System 520-579 > Diseases Of Oral Cavity, Salivary Glands, And Jaws 520-529 > Diseases Of The Oral Soft Tissues Excluding Lesions Specific For Gingiva And Tongue 528.* > 2006 ICD-9-CM Diagnosis 528.6 Leukoplakia of oral mucosa including tongue View the most recent version of ICD-9-CM 528.6 A white patch seen on the oral mucosa. It is considered a premalignant condition and is often tobacco-induced. When evidence of Epstein-Barr virus is present, the condition is called hairy leukoplakia (LEUKOPLAKIA, HAIRY). A white patch or plaque on oral mucosa that cannot be characterized clinically or pathologically as any other disease. The diagnosis of leukoplakia is one of exclusion; other conditions such as candidiasis, lichen planus, leukoedema, etc. must be ruled out before a diagnosis of leukoplakia can be made. Leukoplakia may be a premalignant condition. --2004 528.6 is a specific code that can be used to specify a diagnosis 528.6 contains 19 index entries View the ICD-9-CM Volume 1 528.* hierarchy Alternate Terminology Leukokeratosis of oral mucosa Leukoplakia of: gingiva lips tongue 528.6 Excludes carcinoma in situ (230.0, 232.0) leukokeratosis nicotina palati (528.79)  Index entries containing 528.6: Ichthyosis (congenita) 757.1 lingual 528.6 Leukokeratosis (see also Leukoplakia) 702.8 mouth 528.6 tongue 528.6 Leukoplakia 702.8 buccal 528.6 gingiva 528.6 lip 528.6 mouth 528.6 oral soft tissue (including tongue) (mucosa) 528.6 palate 528.6 tongue 528.6 Lingua tylosis 528.6 Patches smokers' (mouth) 528.6 Plaque tongue 528.6 Psoriasis 696.1 buccal 528.6 mouth 528.6 Smokers' tongue 528.6 Tylosis 700 buccalis 528.6 linguae 528.6 White - see also condition patches of mouth 528.6