RCC ICD-10-CM Diagnosis Coding for Radiology 3

Question 1

Which ICD-10-CM code type is used when imaging is performed on a healthy patient for a preventive service?

Accepted Answer

Z codes

Answer

Z codes capture preventive and screening services for patients without a current illness prompting the visit.

Question 2

What does the placeholder 'X' serve in ICD-10-CM codes?

Accepted Answer

Fills empty character positions to reach the required 7th character

Answer

The placeholder X is used to fill character positions so that a required 7th character can be assigned.

Question 3

An ultrasound is ordered to evaluate a palpable abdominal mass. No definitive diagnosis is confirmed. What is coded?

Accepted Answer

Palpable abdominal mass (R19.00)

Answer

For outpatient encounters without confirmed diagnoses, the sign or symptom — here, the palpable mass — is coded.

Question 4

Which character in ICD-10-CM typically indicates laterality?

Accepted Answer

6th character

Answer

The 6th character in ICD-10-CM most commonly designates laterality (right, left, bilateral).

Question 5

A CT scan of the chest is ordered for a patient with a personal history of lung cancer. Which code is reported first?

Accepted Answer

Personal history of lung cancer (Z85.118)

Answer

A personal history code (Z85.118) is used when the cancer has been excised and there is no current evidence of the disease.

RCC - Radiology Certified Coder Practice Test