CPT, ICD-10, & CDT Coding Systems Flashcards
7 cards from real CDC practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 CPT, ICD-10, & CDT Coding Systems flashcards as text
Which CDT code category covers orthodontic services?
Answer: D8000–D8999
CDT codes in the D8000–D8999 range are designated for orthodontic services.
What does the 'Z' prefix in an ICD-10-CM code indicate?
Answer: Factors influencing health status and contact with health services
ICD-10-CM Z codes represent factors influencing health status and contact with health services, such as dental examinations.
A dental patient receives a comprehensive periodontal evaluation. Which CDT code range applies?
Answer: D0100–D0999
Comprehensive periodontal evaluations are diagnostic services coded in the D0100–D0999 (Diagnostic) category.
CPT code 41899 is an example of what type of code?
Answer: Unlisted procedure code
CPT codes ending in '99' within a section are unlisted procedure codes used when no specific code exists for the service.
ICD-10-CM code K08.409 describes which dental condition?
Answer: Partial loss of teeth, unspecified cause, unspecified class
K08.409 represents partial loss of teeth due to unspecified cause, unspecified class of edentulism.
Which organization publishes and maintains the CDT code set?
Answer: American Dental Association (ADA)
The American Dental Association (ADA) is the copyright holder and publisher of the CDT code set, updated annually.
A patient undergoes removal of an impacted tooth requiring cutting of bone. Which CDT code range is most appropriate?
Answer: D7000–D7999
Surgical extractions and impacted tooth removals are coded in the D7000–D7999 Oral and Maxillofacial Surgery category.