RCC ICD-10-CM Diagnosis Coding for Radiology

Question 1

When a radiology study is ordered to rule out a suspected condition and findings are negative, what should the coder report?

Accepted Answer

The sign or symptom prompting the study

Answer

For outpatient/radiology services with ruled-out conditions, code the sign or symptom rather than the suspected diagnosis.

Question 2

Which ICD-10-CM chapter contains codes for fractures?

Accepted Answer

Chapter 19 – Injury, Poisoning & External Causes

Answer

Traumatic fractures are classified in ICD-10-CM Chapter 19, covering injuries and external causes.

Question 3

What does the 7th character 'A' indicate in an ICD-10-CM fracture code?

Accepted Answer

Initial encounter for active treatment

Answer

The 7th character 'A' designates the initial encounter, used while the patient is receiving active treatment.

Question 4

A chest X-ray is ordered for cough. The report shows pneumonia. Which diagnosis code is reported for radiology billing?

Accepted Answer

Pneumonia (J18.9)

Answer

When a definitive diagnosis is established from imaging, code the confirmed diagnosis rather than the symptom.

Question 5

Which ICD-10-CM code category is used for encounters for screening examinations?

Accepted Answer

Z00–Z99

Answer

ICD-10-CM Z codes (Chapter 21) capture screening examinations and preventive health encounters.

RCC - Radiology Certified Coder Practice Test