Medical Billing & Coding Flashcards
7 cards from real CMAS practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Medical Billing & Coding flashcards as text
Which ICD-10-CM code category is used for external cause codes that describe how an injury occurred?
Answer: V-Y codes
V through Y codes in ICD-10-CM are external cause codes that describe the circumstances of an injury or health condition.
What does CPT code 99213 represent?
Answer: Established patient office visit, low-to-moderate complexity
CPT 99213 is an established patient office visit requiring a medically appropriate history/exam and low-to-moderate medical decision making.
A provider writes off the difference between their billed charge and the payer's allowed amount. This is called a:
Answer: Contractual adjustment
A contractual adjustment is the difference between the billed amount and the payer's contracted fee schedule amount that the provider agrees to write off.
Which HCPCS Level II code range covers durable medical equipment (DME)?
Answer: E codes
HCPCS Level II E codes (E0100–E9999) represent durable medical equipment such as wheelchairs, walkers, and hospital beds.
What is the global period for a minor surgical procedure?
Answer: 10 days
Minor surgical procedures typically have a 10-day global period during which related follow-up care is included in the procedure fee.
Which payer is responsible for payment when a patient is injured in a workplace accident?
Answer: Workers' compensation insurance
Workers' compensation insurance is the primary payer for injuries or illnesses arising out of and in the course of employment.
What information is contained in Box 21 of the CMS-1500 claim form?
Answer: Diagnosis codes (ICD-10-CM)
Box 21 of the CMS-1500 form contains up to 12 ICD-10-CM diagnosis codes that support the medical necessity of the services billed.