CDC Periodontal Procedures Coding

Question 1

Which CDT code is used to report a full mouth debridement to enable a comprehensive periodontal evaluation?

Accepted Answer

D4355

Answer

D1110

Answer

D4910

Answer

D4341

Question 2

What is the CDT code for periodontal scaling and root planing involving four or more teeth per quadrant?

Accepted Answer

D4341

Answer

D4342

Answer

D4355

Answer

D4910

Question 3

Which CDT code is reported for periodontal maintenance following the completion of active periodontal therapy?

Accepted Answer

D4910

Answer

D1110

Answer

D4341

Answer

D4355

Question 4

What CDT code represents a prophylaxis procedure for an adult patient?

Accepted Answer

D1110

Answer

D1120

Answer

D4910

Answer

D0120

Question 5

What is the key clinical distinction between CDT codes D4341 and D4342?

Accepted Answer

D4341 covers four or more teeth per quadrant; D4342 covers one to three teeth per quadrant

Answer

D4341 is for surgical SRP; D4342 is for non-surgical SRP

Answer

D4341 is for adults; D4342 is for pediatric patients

Answer

D4341 includes local anesthesia; D4342 does not

Question 6

Which CDT code is used to report a comprehensive periodontal evaluation for a new or established patient?

Accepted Answer

D0180

Answer

D0150

Answer

D0120

Answer

D0160

Question 7

Under what clinical circumstance should D4910 (periodontal maintenance) be used instead of D1110 (adult prophylaxis)?

Accepted Answer

After the patient has completed active periodontal therapy such as scaling and root planing

Answer

When the patient is under 18 years old

Answer

When the patient presents with no signs of periodontal disease

Answer

When the patient requests a deeper cleaning