CDC CPT, ICD-10, & CDT Coding Systems 2

Question 1

Which CDT code category covers orthodontic services?

Accepted Answer

D8000–D8999

Answer

CDT codes in the D8000–D8999 range are designated for orthodontic services.

Question 2

What does the 'Z' prefix in an ICD-10-CM code indicate?

Accepted Answer

Factors influencing health status and contact with health services

Answer

ICD-10-CM Z codes represent factors influencing health status and contact with health services, such as dental examinations.

Question 3

A dental patient receives a comprehensive periodontal evaluation. Which CDT code range applies?

Accepted Answer

D0100–D0999

Answer

Comprehensive periodontal evaluations are diagnostic services coded in the D0100–D0999 (Diagnostic) category.

Question 4

CPT code 41899 is an example of what type of code?

Accepted Answer

Unlisted procedure code

Answer

CPT codes ending in '99' within a section are unlisted procedure codes used when no specific code exists for the service.

Question 5

ICD-10-CM code K08.409 describes which dental condition?

Accepted Answer

Partial loss of teeth, unspecified cause, unspecified class

Answer

K08.409 represents partial loss of teeth due to unspecified cause, unspecified class of edentulism.

(CDC) Certified Dental Coder Practice Test