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Evaluation&Management Outpatient Practice Questions Explained | Time-Based Coding for CPC exam #cpc
Medical Coding Club
Overview
This video explains the guidelines and application of time-based coding for Evaluation and Management (E&M) services in an outpatient setting, specifically for the CPC exam. It details how to calculate total time by including face-to-face and non-face-to-face activities performed by the provider on the date of service, while excluding time spent on separately billable services or tasks typically performed by clinical staff. The video also covers the criteria for using prolonged service codes, the concept of split/shared visits, and the crucial decision-making process between using Medical Decision Making (MDM) or total time to determine the highest reimbursable E&M code. Several practice scenarios are presented to illustrate these concepts.
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Chapters
- Total time includes all face-to-face and non-face-to-face time the provider personally spends with the patient on the date of the encounter.
- Time spent on activities normally performed by clinical staff or on services that can be separately reported (like psychotherapy) are excluded from E&M time calculation.
- Activities that count towards total time include reviewing records, preparing for the visit, history, exam, counseling, ordering tests/medications, referring to other providers, documenting, interpreting results, communicating results, and coordinating care after the visit.
- Time spent on travel or general teaching not specific to the patient's management is not included.
Accurately calculating total time is essential for selecting the correct E&M code when time is the primary factor, ensuring appropriate reimbursement and compliance.
A provider spends 2 minutes reviewing records, 5 minutes coordinating care, and 10 minutes ordering tests; these times can be summed and included in the total E&M time.
- Prolonged service codes (e.g., 9417 for outpatient) are used in addition to the highest E&M level (Level 5) when the provider spends at least 15 additional minutes beyond the typical time for that E&M code.
- Time must be accumulated in 15-minute increments; less than 15 additional minutes does not qualify for a prolonged service unit.
- Units are reported in 15-minute increments, meaning 30 additional minutes would be two units, but 29 additional minutes would still be only one unit.
- These codes are applicable only for services performed by physicians or qualified healthcare professionals, not for nurses.
Understanding prolonged service codes allows coders to capture additional reimbursement for extended patient care that goes beyond the standard service time, reflecting the provider's increased effort.
If a Level 5 outpatient E&M service takes 50 minutes, and the provider spends an additional 30 minutes, the coder would bill the Level 5 code plus two units of 9417 (for the two 15-minute increments).
- A split/shared visit occurs when both a physician and a non-physician provider (NPP) within the same group contribute to the patient's care on the same day.
- For billing purposes, the time spent by both the physician and the NPP can be combined to determine the total time for the encounter.
- The provider who spends the substantive portion of the visit (more time or takes responsibility for the key diagnostic/management decisions) is typically the one who bills the E&M code.
- When using MDM, the provider responsible for the substantive portion of the decision-making takes credit, even if an NPP performed some of the initial work.
This concept is crucial for accurate billing when multiple providers are involved, ensuring the correct provider bills for the service based on their contribution, whether measured by time or medical decision-making.
A nurse practitioner spends 15 minutes with a patient, and the physician spends 20 minutes. The total time is 35 minutes, and the physician, having spent more time, bills the E&M code.
- E&M visit levels can be determined by either Medical Decision Making (MDM) or total time spent on the date of service.
- When documentation supports both MDM and time, coders must choose the method that results in the highest appropriate reimbursement level.
- Some E&M services are exclusively time-based (e.g., Critical Care), while others are exclusively MDM-based (e.g., Emergency Department visits).
- Office and outpatient E&M services typically allow for the selection of either MDM or time-based coding.
Understanding when to use MDM versus time, and how to select the highest level when both are documented, is critical for maximizing reimbursement and accurately reflecting the complexity of the patient encounter.
A provider spends 30 minutes with an established patient (suggesting Level 3 by time) but has a moderate MDM (suggesting Level 4). The coder should choose Level 4 based on MDM because it offers higher reimbursement.
- Scenario 1: Moderate MDM (Level 4) and 30 minutes of time (Level 3 for established patient) means Level 4 is chosen based on the higher reimbursement.
- Scenario 2: An established patient with 25 minutes of time qualifies for Level 3 (99213).
- Scenario 3: A new patient with 30 minutes of time qualifies for Level 3 (99203).
- Scenario 4: A new patient with 60 minutes of time qualifies for Level 5 (99205).
- Scenario 5: An established patient with 70 minutes total time (40 min evaluation + 30 min counseling) requires coding 99215 (for 40-54 min) and 9417 with two units (for the additional 30 min, which includes two 15-min increments).
Applying the learned principles to specific examples reinforces understanding and builds confidence in selecting the correct codes for various patient encounters.
For a new patient seen for 60 minutes, the appropriate code is 99205, as it covers the time and complexity associated with a Level 5 new patient visit.
Key takeaways
- Total E&M time includes all provider-dedicated activities on the date of service, excluding separately billable services and staff duties.
- Prolonged service codes are add-on codes used for time exceeding the highest E&M level by at least 15 minutes.
- Split/shared visits allow combining time from physicians and NPPs within the same group, with the substantive provider billing.
- When both MDM and time are documented, always select the coding method that yields the highest reimbursement level.
- New and established patient time ranges differ for each E&M level; always refer to the correct code set.
- Prolonged service codes (9417/9418) are only used with Level 5 E&M services.
- Medicare payers may use different codes (like G212) for prolonged outpatient services instead of 9417.
Key terms
Evaluation and Management (E&M)Time-Based CodingFace-to-Face TimeNon-Face-to-Face TimeSeparately Reported ServicesProlonged Service CodesAdd-on CodesSplit/Shared VisitMedical Decision Making (MDM)Substantive Portion
Test your understanding
- What types of activities are included when calculating the total time for an E&M service?
- Under what conditions can a provider use a prolonged service code like 9417?
- How is the billing provider determined in a split or shared E&M visit?
- When a patient encounter has documentation for both Medical Decision Making and total time, what is the rule for selecting the E&M code?
- Why is it important to distinguish between new and established patient time requirements for E&M coding?