SAMPLE CDT CODE LISTING
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CODE	Description
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150	comprehensive oral evaluation - new or established patient
210	intraoral - complete series (including bitewings) 
220	intraoral - periapical first film
230	intraoral - periapical each additional film
240	intraoral - occlusal film
421	genetic test for susceptibility to oral diseases
425	caries susceptibility tests

6611	Onlay - cast high noble metal, three or more surfaces
6612	Onlay - cast predominantly base metal, two surfaces
6613	Onlay - cast predominantly base metal, three or more surfaces
6614	Onlay - cast noble metal, two surfaces