ACEP Emergency Department Facility Coding – Level 5 (CPT 99285)

Overview

CPT 99285 is used for Emergency Department visits involving a comprehensive history, comprehensive examination, and medical decision-making of high complexity. These cases often require extensive diagnostic work-up, multiple high-resource interventions, and prolonged physician involvement.

  • Type A: APC 616

  • Type B: APC 630

  • HCPCS: G0384


Possible Interventions

Could include interventions from previous levels, plus any of:

  • IV thrombolytics administration

  • Blood transfusion

  • Central line insertion or assistance

  • Intubation preparation or assistance

  • Chest tube placement preparation or assistance

  • Arterial line placement

  • Preparation for emergent surgery

  • Preparation for complex imaging (e.g., CT angiography, interventional radiology)

  • Administration of multiple IV medications with titration

  • Multiple complex lab tests with serial measurements

  • Extended observation (>2 hours)

  • Continuous cardiac and hemodynamic monitoring

  • Preparation for transfer to higher-level care facility

  • Multiple discharge instructions with high-complexity counseling


Potential Symptoms/Examples Which Support the Interventions

  • Acute myocardial infarction

  • Stroke with thrombolytic therapy consideration

  • Severe respiratory distress requiring advanced airway management

  • Major trauma with multiple system involvement

  • GI bleed with hemodynamic instability

  • Sepsis requiring aggressive fluid resuscitation and antibiotics

  • Altered mental status requiring extensive work-up


Key Notes for Coders

  • Level 5 requires high complexity in all three key components: history, exam, and decision-making.

  • Documentation must justify resource intensity and clinical severity.

  • If the patient’s condition meets the criteria for life-threatening organ dysfunction requiring constant attention, code Critical Care (99291/99292).

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