Choose the E/M family and patient status

Where you are

Evaluation and Management, usually shortened to E/M, describes work such as evaluating a concern, considering information and deciding how to manage the patient. Before choosing a level, identify the correct service family. A carefully calculated level in the wrong family is still the wrong selection.

Think of the lookup as three decisions: what kind of encounter occurred, which patient or visit status applies in that family, and what supported level describes the work. This lesson handles the first two. Later lessons examine medical decision making and time.

Start with the setting and purpose

Read the record's actual setting: office, hospital inpatient or observation, emergency department, nursing facility, home or another location. Also establish whose service you are coding. A hospital facility claim is different from a clinician's professional service even when both arise from one encounter. [em-cms, pp.13,23]

Next identify the purpose. Was this problem-oriented evaluation and management, preventive care, critical care, discharge work or another specifically defined service? Do not begin with a favorite office code and try to make every encounter fit it.

Make a heading on your worksheet for “family evidence.” Under it, record the setting, encounter purpose and practitioner. This small step keeps a later time calculation from distracting you from the wrong starting category.

New does not mean new complaint

For Medicare office and outpatient reporting, new versus established status depends on prior qualifying professional services and the relevant practitioner/group relationship during the preceding three years. It is not decided by whether the complaint is new, the chart was recently created or the patient has changed insurance. [em-cms, p.23; claims-physicians-cms, 30.6.7.A]

Read the full definition in your authorized book and the applicable payer instructions. Preserve the exact specialty or subspecialty distinctions in the reference you are using. Do not turn a Medicare summary into a claim that every payer handles every group arrangement identically.

A patient can have an entirely new symptom while remaining established. Conversely, an old condition does not by itself prove an established relationship with the practitioner or group now furnishing the service.

Build a three-year service history

Use the current encounter date as the anchor. List the earlier service date, the practitioner who furnished it, the group and relevant specialty, and the nature of the service. A database entry saying “previous patient” is not enough when the underlying history is unclear.

For a fictional September 8, 2026 office visit, a qualifying face-to-face service with the same physician on October 10, 2024 falls within the preceding three years. The fact that today's complaint is different does not make the patient new under the stated Medicare definition. [claims-physicians-cms, 30.6.7.A]

If the prior record instead belongs to a different person with a similar name, it is not this patient's history. If the group or practitioner relationship is uncertain, investigate it. Do not turn an incomplete registration search into a confident coding conclusion.

Interpretation alone is a useful exception to check

CMS distinguishes a prior diagnostic interpretation without an E/M or other face-to-face service from a prior qualifying professional encounter for this purpose. An interpretation-only claim does not automatically make the patient established at a later initial visit. [claims-physicians-cms, 30.6.7.A]

Original fictional record: a physician read a diagnostic study in 2025 but never met the patient. In September 2026, the patient attends an office visit with that physician for the first time. The record states there were no other qualifying services in the relevant period. Under the cited Medicare instruction, the earlier interpretation alone does not establish the prior face-to-face relationship.

Change one fact: the physician also performed a qualifying face-to-face procedure in that period. Now the history must include that service. “No prior office visit” would be an incomplete summary, because the rule is not limited to office visits.

Do not carry office labels into every family

Some E/M families distinguish new and established patients. Others use initial and subsequent services or other categories. Those words refer to the rules of that family; they are not interchangeable labels for a patient's first-ever visit to a building. [em-cms, p.23]

For a hospital record, identify the documented admission or observation status and encounter sequence, then read the hospital family's current instructions. Do not call a patient “new” simply because the office has never treated them and then select an office service for inpatient work.

Likewise, a physician can furnish a professional service in a hospital outpatient department. The facility's reporting method does not replace the professional E/M family. The two claims describe different billing perspectives on the encounter.

History and examination still matter

A medically appropriate history and examination remain part of good documentation. For the current E/M families addressed by CMS's revised selection guidance, their length does not independently determine the visit level. Do not count copied review-of-systems lines as a substitute for the supported medical decision making or applicable time. [em-cms, pp.24–25]

This does not make the history irrelevant. It supplies facts needed to understand the patient's problem, the clinician's assessment and the service furnished. The distinction is between documenting appropriate care and using page count as a scoring system.

Worked family worksheet

Original fictional Medicare professional encounter, September 9, 2026: a patient is seen in a physician office for management of an active condition. The same physician furnished a qualifying face-to-face service eighteen months earlier. The current note includes an assessment and plan, but this exercise does not yet supply enough detail to choose a level.

Your worksheet can establish the office or outpatient problem-oriented family and established status under the stated Medicare history. It should leave the level undecided. Choosing a middle level just to fill the blank would add information that the exercise has not established.

Now move the encounter to an emergency department. Reopen the family decision. Do not preserve the office selection merely because the patient and physician are unchanged. The applicable family's rules govern the next step.

Book drill

Locate the E/M family headings in your authorized book. Find where new and established status is used, where initial and subsequent services are used, and where a separate service category applies. Compare the book's full new-patient definition with the cited Medicare explanation and record any payer-specific distinction you must check.

Checkpoint

Explain why a new complaint is different from new-patient status. Identify why an interpretation-only history needs careful review. Finally, state which facts establish the family and status in the worked worksheet and which facts are still missing for level selection.

Compare your worksheet

The service setting and purpose establish the family. The applicable prior-service and practitioner relationship establish patient or visit status. A new complaint, long note or new registration number does not replace those checks. The level remains a separate decision based on the supported criteria for that family.

Sources

1. CMS — Evaluation and Management Services MLN006764. May 2026. Accessed 2026-09-10.
2. CMS — Medicare Claims Processing Manual, Chapter 12: Physicians and Nonphysician Practitioners. 2026 service window; cited current manual sections. Accessed 2026-09-10.