CPCA Modifier Use in Dermatology 3

Question 1

In dermatology, modifier 25 is appended to an E/M service code when:

Accepted Answer

A significant, separately identifiable E/M is performed on the same day as a minor procedure

Answer

Modifier 25 signals that a significant, separately identifiable evaluation and management service was provided on the same day as a procedure.

Question 2

A patient presents for destruction of multiple actinic keratoses. Five lesions are treated. How are the additional lesions (beyond the first) coded?

Accepted Answer

Additional lesions are reported with add-on codes

Answer

CPT includes add-on codes (e.g., 17003) for each additional actinic keratosis destroyed beyond the first two, which do not require modifier 51.

Question 3

When coding Mohs surgery, modifier 51 is NOT added to additional Mohs stage codes because:

Accepted Answer

Add-on codes are exempt from modifier 51

Answer

Add-on codes, including those for additional Mohs stages, are inherently exempt from modifier 51 per CPT guidelines.

Question 4

A patient undergoes excision of a cyst on the neck and a separate excision of a lipoma on the back in the same session. Which modifier is required on the second procedure?

Accepted Answer

Modifier 51

Answer

Modifier 51 is appended to the second and subsequent procedures when multiple surgical procedures are performed at the same session by the same surgeon.

Question 5

Modifier 22 in dermatology is used to indicate:

Accepted Answer

Increased procedural services beyond what is usually required

Answer

Modifier 22 is appended when the work required to perform the procedure is substantially greater than typically required, justifying additional reimbursement.

CPCA Exam Practice Test

CPCA Exam Practice Test

CPCA Modifier Use in Dermatology 3