These CPC practice questions target pharmacology — including Rocephin, Flu. The complete CPC deck holds 1041 flashcards, 20 of them dedicated to this topic. Study the free samples below, then unlock the whole collection for a one-time $7.
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A patient receives 1.5g of Ceftriaxone (Rocephin) IM for a severe infection. The HCPCS code J0696 is defined as Injection, ceftriaxone sodium, per 250 mg. How many units should be reported on the claim?
Show answer →To determine units, divide the total dose administered by the amount specified in the HCPCS descriptor. 1.5g is equal to 1,500 mg. Calculation: 1,500 mg / 250 mg = 6 units. CPC Strategy: Always convert grams to milligrams before calculating units. AAPC often tests this conversion. If the result is a fraction, check payer rules; usually, you round up to the next whole unit unless the descriptor allows for partial units.
When reporting HCPCS code J1745 (Infliximab) for a 2-hour outpatient infusion, what CPT codes must be reported to ensure the administration service is captured?
Show answer →CPT 96413 (Chemotherapy administration; intravenous infusion technique; up to 1 hour) and 96415 (each additional hour). Rationale: Infliximab is a biologic/monoclonal antibody. Per CPT guidelines, the administration of monoclonal antibodies is reported using the chemotherapy administration codes (96401-96549) rather than standard therapeutic infusion codes (96365), due to the complexity and risk. CPC Strategy: On the exam, if you see a J-code for a biologic (like Remicade), look for 964xx administration codes, not 963xx.
A provider administers the biosimilar Inflectra (infliximab-dyyb) instead of the reference product Remicade (infliximab). Can the coder use J1745? Why or why not?
Show answer →No. J1745 specifically excludes biosimilar. The coder must use the specific biosimilar code, such as Q5103 (Injection, infliximab-dyyb, biosimilar, 10 mg). Rationale: Biosimilars are highly similar but not identical to reference products. CMS assigns distinct HCPCS codes (often Q-codes) to biosimilars to track utilization and pricing. Exam Tip: In 2026, pay close attention to the 4-letter suffix (e.g., -dyyb, -abda). If the suffix is present, look for a specific code rather than the generic J-code for the reference biologic.
A patient presents for a scheduled wellness exam (99392). During the visit, the physician provides counseling and a vaccine. When is Modifier 25 appended to the E/M code?
Show answer →Modifier 25 is appended to the E/M code ONLY when the evaluation and management service is significant and separately identifiable from the routine work associated with the immunization. Rationale: Immunization administration codes (90460-90474) already include routine work like checking vitals and brief history. If the provider only addresses the vaccine, no E/M is billed. On the CPC exam, if a well-child check or sick visit occurs with a vaccine, Modifier 25 is required on the E/M to ensure payment for both services.
An adult patient receives one IM injection (Flu) and two separate intranasal vaccines (FluMist and a trial vaccine). No counseling. What is the correct administration code sequence?
Show answer →90471, 90474, 90474. Rationale: 90471 is the initial code for the first injectable. 90474 is the add-on code for each additional oral or intranasal administration. You cannot use 90473 (initial intranasal) because 90471 was already used as the initial service for the day. CPT allows only one initial admin code (90471 OR 90473) per encounter. Each subsequent dose, regardless of route, must be an add-on code (90472 or 90474).
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Try 30 free CPC cards firstThe full CPC deck contains 1041 flashcards, and 20 of them focus on pharmacology. This page shows 5 free samples.
Our CPC deck dedicates 20 of 1041 cards (2%) to pharmacology — always cross-check the official AAPC exam outline for the current blueprint weighting.
Yes — the samples on this page are free, and the CPC preview page has 30 more free cards. Full access to all 1041 cards is a one-time $7.
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