PACS Cheat Sheet 2026

The 30 highest-yield PACS facts, distilled from real exam questions. Print it, save it as a PDF, or study it here — free, no sign-up.

1. Under the CMS Interoperability and Prior Authorization Final Rule, what is a key continuous improvement obligation for impacted payers? → Payers must publish PA metrics annually and implement APIs to streamline PA requests
2. What does the suffix '-ectomy' mean? → Removal
3. For a prior authorization tracking system to support internal audits effectively, it must include which of the following fields? → Authorization status history with timestamps for each status change
4. A payer requests additional clinical documentation during the prior authorization review process. This request is commonly called a(n): → Additional Development Request (ADR)
5. A health plan updates its PA clinical criteria for a drug class mid-year. What is the FIRST step a PA specialist should take upon learning of this update? → Alert the compliance team and update internal reference tools to reflect new criteria
6. When a PACS specialist identifies a pattern of inappropriate authorizations tied to a specific diagnosis code, what risk management action is most appropriate? → Conduct a focused retrospective audit and escalate findings to the medical director
7. What does the prefix 'cardio-' refer to? → Heart
8. Which tool helps verify insurance eligibility electronically? → Eligibility verification portals
9. What does 'real-time prior authorization' mean in the context of electronic PA systems? → Immediate automated approval or denial decisions generated at the point of care
10. Under the 2024 CMS Interoperability and Prior Authorization Final Rule, health plans must implement FHIR APIs for PA to promote: → Electronic submission and status tracking of PA requests to reduce administrative burden
11. Under the No Surprises Act's prior authorization transparency provisions, health plans must publicly report PA data including: → Percentage of PA requests approved, denied, and overturned on appeal by service category
12. When a concurrent authorization review is conducted for an inpatient stay, clinical updates must be submitted: → At defined intervals throughout the stay to justify continued medical necessity
13. Under the ACA, which category of services must most health plans cover without patient cost-sharing (no copay, deductible, or coinsurance)? → Preventive services rated A or B by the U.S. Preventive Services Task Force (USPSTF)
14. When a prior authorization is obtained for a procedure that later changes in scope, the PACS specialist should: → Document the change and submit a new or amended authorization request
15. Which metrics are most important for a comprehensive monitoring strategy? → Availability, performance, error rates, and resource utilization
16. Which federal regulation most directly governs the risk that a Medicare Advantage plan faces when denying prior authorization requests? → 42 CFR Part 422
17. What is the recommended approach for deploying system updates? → Incremental rollouts with rollback plans and monitoring
18. Which standard format is used for electronic submission of prior authorization requests between providers and payers? → ASC X12 278 Health Care Services Review
19. How should Prior Authorization Certified Specialist professionals approach quality improvement? → Through systematic evaluation of outcomes and implementation of evidence-based changes
20. Why is ethical behavior critical in healthcare authorization? → Builds trust and fairness in care decisions
21. What class of drug is used to reduce pain? → Analgesics
22. A hospital submits a prior authorization request with incomplete clinical documentation. Under risk management best practice, what should occur? → The reviewer should request the missing information and pause the decision clock
23. What federal law grants consumers the right to an external review of health insurance denials? → The Affordable Care Act (ACA)
24. Which organization is widely known for developing evidence-based clinical criteria used in utilization management and prior authorization decisions? → InterQual (Change Healthcare) and Milliman Care Guidelines
25. How soon after a service or session should documentation be completed? → As soon as possible, ideally within 24 hours
26. What is the standard timeframe for a health plan to resolve a standard internal appeal for a prior authorization denial under federal guidelines? → 30 days
27. Under the No Surprises Act, which prior authorization scenario carries added federal compliance risk? → Denying emergency services based on a prior authorization requirement
28. What is the significance of professional networking in the Prior Authorization Certified Specialist field? → It facilitates knowledge exchange, referrals, and collaborative problem-solving
29. Which entity typically has authority to establish practice standards? → State licensing boards and professional regulatory bodies
30. Which of the following represents a breach of ethics? → Falsifying patient records