CPT, ICD-10, & CDT Coding Systems Flashcards
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Read the first 7 CPT, ICD-10, & CDT Coding Systems flashcards as text
What is the primary purpose of ICD-10-CM in dental billing?
Answer: To document the medical diagnosis or reason for the dental visit
ICD-10-CM codes document the diagnosis or medical reason supporting the dental service provided.
CDT code D2391 refers to resin-based composite for the posterior tooth. What does the suffix '1' in the series indicate?
Answer: One surface
In composite restoration CDT codes, the numeric suffix indicates the number of surfaces involved (1 = one surface).
Which CPT code range covers services to the mouth, tongue, and salivary glands?
Answer: 40000–40799
CPT codes 40000–40799 cover procedures on the lips, tongue, mouth, and related oral structures.
An ICD-10-CM code has 7 characters. What do characters 4–6 generally represent?
Answer: Etiology, anatomical site, or severity
In ICD-10-CM, characters 4 through 6 provide additional specificity including etiology, anatomical site, and severity.
Which CDT code is used for a complete series of radiographic images?
Answer: D0210
D0210 is the CDT code for a complete series of radiographic images, typically 14–22 periapical and bitewing images.
When a dental claim is submitted for a tooth extraction on a patient with uncontrolled diabetes, which code set provides the diabetes diagnosis?
Answer: ICD-10-CM
ICD-10-CM provides diagnosis codes such as E11.65 (uncontrolled type 2 diabetes) to support medical necessity for dental services.
Category III CPT codes are distinguishable from Category I codes because they:
Answer: Use a 4-digit number followed by the letter T
Category III CPT codes consist of four digits followed by the letter 'T' and represent emerging technologies and services.