New ED Coder Chart-Review Checklist

Emergency department charts can feel overwhelming when you are a new coder.

The patient may arrive with several symptoms. Orders begin before the provider finishes the initial assessment. Test results appear throughout the encounter. Medications, procedures, consultations, and reassessments may be documented in different places.

By the time the patient is discharged, admitted, transferred, or leaves the department, the chart may contain dozens of details—and not all of them belong on the claim.

The challenge is not simply finding information.

It is knowing:

• Which documentation applies to your side of the claim.
• Which diagnoses are supported.
• Which services may be separately reportable.
• Which details require additional verification.
• What must be resolved before the chart is released.

A consistent chart-review process helps you examine the record in the same dependable order each time.

The FY 2026 ICD-10-CM guidelines emphasize that the entire medical record should be reviewed to determine the specific reason for the encounter and the conditions treated. They also describe accurate coding as a joint effort between the provider and coder.

Begin With the Type of Claim You Are Coding

Before reviewing individual services, confirm what you are responsible for coding.

An emergency department encounter may involve both:

• A professional claim for the physician or other qualified healthcare professional.
• A facility claim for the hospital’s services and resources.

Those claims do not necessarily follow the same coding, charging, or documentation processes.

A professional coder may be reviewing provider diagnoses, medical decision-making, procedures, interpretations, critical care, and other professional services.

A facility coder may be reviewing hospital resources, supplies, medications, procedures, facility-level criteria, and other institutional services according to hospital policy.

Do not combine the two workflows unintentionally.

Ask:

• Am I coding the professional or facility side?
• Which services are included in my assigned workflow?
• Which hospital, client, or payer policies apply?
• Are any services handled by a separate coding or charging team?

This first step prevents you from spending time on information that belongs to another part of the claim.

1. Verify the Encounter Basics

Begin by confirming that you are reviewing the correct encounter.

Check:

• Patient identity.
• Date of service.
• Arrival and departure information.
• Emergency department location.
• Rendering provider.
• Supervising or teaching provider when applicable.
• Patient status and disposition.
• Whether another encounter occurred on the same date.
• Whether documentation from another visit has been pulled into the record.

A copied note, incorrectly linked procedure, or mismatched date can affect the entire claim.

Do not assume every document visible in the chart belongs to the encounter being coded.

2. Identify the Reason for the Visit

Find the chief complaint or documented reason for the encounter.

The chief complaint may be a symptom, injury, condition, follow-up need, behavioral concern, or another reason the patient sought emergency care. CMS describes the chief complaint as a short statement of the symptom, problem, condition, diagnosis, or reason for the encounter and states that the medical record should show it clearly.

Ask:

• Why did the patient come to the emergency department?
• Does the provider’s documentation address that concern?
• Did the focus of the encounter change?
• Were additional problems discovered and treated?
• Does the final assessment make sense in relation to the work performed?

The chief complaint does not determine every code, but it gives the chart a starting point.

3. Read the Complete Record Before Finalizing Codes

A common new-coder mistake is beginning code assignment too early.

You may see a possible diagnosis in the history and begin researching before reaching the assessment. You may code a symptom from the triage note before seeing that the provider documented a related definitive diagnosis. You may assume a procedure was completed before finding a note explaining that it was attempted but unsuccessful.

Review the entire available record first.

Depending on your responsibilities, this may include:

• Triage documentation.
• Provider notes.
• Nursing notes.
• Medication administration records.
• Procedure notes.
• Diagnostic test results.
• Imaging reports.
• Consultation notes.
• Reassessment documentation.
• Discharge instructions.
• Admission or transfer documentation.
• Addenda and corrected notes.

The complete record may clarify what happened, but diagnosis code assignment is generally based on the diagnostic statement of the provider legally accountable for establishing the diagnosis. The ICD-10-CM guidelines identify limited exceptions for information that may be taken from other clinicians. Conflicting diagnosis documentation should be clarified through the appropriate query process.

A useful reminder is:

Review the entire record, but do not create a diagnosis from scattered clinical clues.

4. Review the Final Diagnoses

Locate the provider’s final assessment or diagnostic impression.

Ask:

• Which conditions were confirmed?
• Which conditions remained possible, suspected, or under evaluation?
• Which symptoms were not explained by a definitive diagnosis?
• Are any diagnoses documented only in a problem list or past history?
• Does each reported diagnosis apply to this encounter?
• Is the necessary specificity documented?
• Are there conflicting statements that require clarification?

For outpatient encounters, including emergency department visits, uncertain diagnoses are not generally coded as though confirmed. Report the condition to the highest degree of certainty known at the end of the encounter, which may be a symptom, sign, abnormal finding, or other reason for the visit.

Signs and symptoms are acceptable—and sometimes necessary—when a related definitive diagnosis has not been established. Routine symptoms integral to a confirmed condition generally are not coded separately unless the classification instructs otherwise. Symptoms not routinely associated with the diagnosis may be separately reportable when supported.

Before releasing the chart, check:

• The Alphabetic Index.
• The Tabular List.
• Inclusion and exclusion notes.
• Code-first and use-additional-code instructions.
• Applicable chapter-specific guidelines.
• Combination-code possibilities.
• Laterality and encounter characters.
• Current official coding guidance.

5. Confirm the Professional ED E/M Level

When coding the professional emergency department service, review the medical decision-making rather than counting the number of documented history or examination elements.

Current CMS guidance states that emergency department E/M visits are not timed visits and that their levels are selected using medical decision-making. A medically appropriate history and examination should still be documented when performed, but their volume does not determine the visit level.

Review the documentation supporting the applicable elements of medical decision-making, including:

• Problems addressed.
• Data reviewed and analyzed.
• Risk involved in patient management.

Do not raise the level simply because the note is long.

Do not lower it simply because the note is concise.

CMS advises that documentation should support the reported service and that the amount of documentation should not be the primary influence on the selected level.

Ask:

• Which problems were actually evaluated or treated?
• What data qualifies under the applicable guidelines?
• Did the provider independently interpret a test?
• Was there documented discussion with an external physician or other qualified source?
• What management decisions created risk?
• Does the documented medical decision-making support the reported level?

Use the current code set, payer requirements, employer policies, and approved auditing tools when making the final determination.

6. Look for Separately Documented Procedures

Emergency department procedures are easy to miss when they appear in a separate note or are mentioned only briefly in the main provider documentation.

Look for procedures such as:

• Laceration repair.
• Incision and drainage.
• Fracture or joint reduction.
• Foreign-body removal.
• Splint or cast application.
• Moderate sedation.
• Nail procedures.
• Burn treatment.
• Wound care.
• Cardioversion.
• Lumbar puncture.
• Airway procedures.
• Other diagnostic or therapeutic interventions.

For each procedure, verify:

• What was performed.
• Who performed it.
• The documented site.
• Size, depth, number, or complexity when required.
• The technique used.
• Whether anesthesia or sedation was provided.
• Whether the procedure was completed.
• Whether it was successful, unsuccessful, or discontinued.
• Whether complications occurred.
• Whether a separate report is required.
• Whether the documentation supports the code being considered.

Pay attention to unsuccessful procedures

An attempted procedure is not automatically coded the same way as a completed procedure.

For example, documentation for foreign-body removal should clearly indicate whether the object was located, removed, partially removed, left in place, or referred for additional treatment.

Do not fill in missing details based on what usually happens.

Follow the documentation, code-set instructions, payer guidance, and your organization’s policy for incomplete or unsuccessful procedures.

7. Review Splints, Strapping, and Fracture Care

Splints and orthopedic services often require more than noticing that a splint appears in the discharge instructions.

Verify:

• Whether a splint, cast, sling, or other device was actually applied.
• Who applied it.
• Whether an order is required under the applicable policy.
• The type and location of the device.
• Whether supplies are separately captured.
• Whether post-application assessment is required.
• Whether fracture care was provided or only temporary stabilization.
• Whether the professional and facility sides handle the service differently.

Do not assume that a diagnosis of fracture automatically supports every associated orthopedic service.

Review the documentation and your employer’s fracture-care and splint policies before finalizing the claim.

8. Check Medications and Administration Services

Medication documentation can involve several separate questions.

Review:

• Medication name.
• Dose.
• Route.
• Time administered.
• Start and stop times when required.
• Whether the medication was actually given.
• Whether it was ordered but not administered.
• Whether administration was discontinued.
• Whether multiple substances were given through the same access.
• Whether hydration, injection, infusion, or immunization services are involved.
• Which service is initial, sequential, concurrent, or additional when applicable.
• Whether the facility and professional workflows differ.

Pay particular attention to:

• Intramuscular and intravenous injections.
• Infusions.
• Hydration.
• Immunizations.
• Therapeutic, prophylactic, and diagnostic administrations.
• Contrast administration.
• Medications that may have organization-specific charging rules.

A medication order alone does not necessarily prove that administration occurred.

Use the medication administration record and applicable documentation rather than relying only on the provider’s plan.

9. Review Tests, Reports, and Interpretations

Diagnostic testing may be ordered, performed, interpreted, and billed by different individuals or departments.

Check for:

• Electrocardiograms.
• Radiographs.
• Ultrasound.
• Laboratory testing.
• Pulse oximetry.
• Imaging studies.
• Other diagnostic procedures.

Determine:

• Whether the test was performed.
• Whether a separate interpretation is being considered.
• Whether a complete report is present.
• Whether the documentation represents an interpretation or only a review of another report.
• Whether the service is already included in another reported service.
• Whether payer or NCCI edits apply.
• Whether a modifier is necessary and supported.

A brief notation such as “reviewed” may not support a separately reportable interpretation. Review the current requirements and the complete written documentation before assigning an additional service.

10. Identify Critical Care Carefully

Do not equate a seriously ill patient with billable critical care automatically.

When critical care is being considered, verify:

• The patient’s critical condition.
• The nature of the threat to life or organ function.
• The provider’s high-complexity decision-making and management.
• The total qualifying time.
• Which activities were included in that time.
• Which separately reportable procedures were excluded.
• Whether more than one provider contributed.
• Whether the documentation supports the applicable payer requirements.

Critical care is time-based, while the standard emergency department visit levels are not. CMS also states that prolonged E/M services are not reported with ED visits or critical care services.

Do not infer critical care solely from:

• The diagnosis.
• The treatment area.
• The patient’s disposition.
• The presence of monitoring.
• A lengthy emergency department stay.

The documentation must support the service being reported.

11. Examine Modifier Needs and Bundling Edits

Procedures and E/M services reported on the same date may trigger edits.

Before adding a modifier, determine:

• Which services are being reported.
• Whether the services are distinct.
• Whether the documentation supports that distinction.
• Whether the modifier reflects the reason the edit may be bypassed.
• Whether a more specific modifier is available.
• Whether the payer accepts or prefers X{EPSU} modifiers.
• Whether modifier 25, 57, 59, or another modifier is appropriate.
• Whether the service should remain bundled.

A modifier should explain the circumstances documented in the record. It should not be added only because a claim edit appeared.

CMS updates NCCI materials and edit files regularly and directs users to the current policy manuals and claim-processing guidance for proper modifier use.

Always check:

• Current NCCI edits.
• The current NCCI Policy Manual.
• Payer-specific rules.
• Employer policies.
• Documentation supporting the modifier.

12. Verify Signatures, Supervision, and Attestations

Before releasing the claim, check whether the necessary documentation has been authenticated.

Review:

• Provider signature.
• Date and time when required.
• Supervising-provider documentation.
• Teaching-physician attestation when applicable.
• Split or shared service requirements.
• Addenda.
• Corrections.
• Scribe statements.
• Electronic signature indicators.
• Authentication of procedure notes and interpretations.

CMS documentation guidance emphasizes complete, legible records and documentation that supports the CPT, HCPCS, and ICD-10-CM codes reported.

Do not assume that a note is complete merely because it appears in the electronic record.

13. Confirm the Disposition

The final disposition helps explain the outcome of the emergency department encounter.

Confirm whether the patient was:

• Discharged.
• Admitted.
• Placed in observation.
• Transferred.
• Sent to another facility.
• Discharged to law enforcement.
• Released against medical advice.
• Deceased.
• Documented as leaving before treatment was complete.
• Documented as leaving without being seen.

Verify that the final diagnoses, services, and documentation align with the disposition.

Also check whether your workflow requires specific discharge information for reporting, auditing, quality review, or another downstream process.

14. Perform a Final Claim Sweep

Before releasing the chart, pause for one final review.

Ask:

Encounter

• Am I coding the correct patient and date?
• Am I working on the professional or facility claim?
• Is the rendering provider correct?

Diagnoses

• Are all reported diagnoses documented and relevant?
• Did I avoid coding uncertain outpatient diagnoses as confirmed?
• Did I review symptoms for integral versus separately reportable status?
• Did I verify specificity, laterality, and required characters?

E/M service

• Does the documented medical decision-making support the professional ED level?
• Did I avoid using note length as the deciding factor?

Procedures

• Did I review all procedure notes?
• Are required details present?
• Was each procedure completed?
• Did I account for unsuccessful or discontinued procedures correctly?

Medications

• Were the medications administered rather than merely ordered?
• Are routes, times, units, and sequencing supported where needed?

Edits and modifiers

• Did I review current edits?
• Does each modifier explain a documented circumstance?
• Did I follow payer and organizational rules?

Documentation

• Are required signatures and attestations present?
• Is there conflicting or incomplete documentation?
• Is a query needed before the chart can be released?

Do Not Document for the Provider

A coder’s role is to review, verify, code, and query according to policy.

Do not:

• Add missing clinical details.
• Assume why a service was performed.
• Convert a nursing observation into a provider diagnosis.
• Decide that an unsuccessful procedure was completed.
• Establish a relationship between conditions that the provider did not document.
• Change the medical record to make it support a code.

When clarification is needed, follow the approved query process.

A Consistent Process Builds Speed

New coders often worry that a checklist will slow them down.

Initially, it may.

But a consistent review process reduces the need to reopen charts, correct preventable errors, and search repeatedly for information that was missed the first time.

With practice, the sequence becomes more automatic:

1. Confirm the encounter.
2. Identify the reason for the visit.
3. Review the complete record.
4. Verify diagnoses.
5. Evaluate the E/M service.
6. Find separately reportable procedures.
7. Review medications and diagnostic services.
8. Check edits, modifiers, signatures, and disposition.
9. Complete a final claim sweep.

The goal is not to memorize every answer.

The goal is to know what to verify before releasing the chart.

The Dx Drop’s ED Coder Chart-Review Checklist organizes these review points into a practical reference for students and early-career emergency department coders.

This article and the related checklist are provided for educational and reference purposes. Coding decisions should be based on the complete medical record, the current code sets and official guidelines, NCCI guidance, payer requirements, and organizational policies.