Summary & Overview

CPT 99475: Initial Evaluation of Critically Ill Child (Ages 2–5), Inpatient

CPT code 99475 denotes the initial evaluation and management of a critically ill child aged two to five years in an inpatient setting. The code captures the urgent, high-acuity clinical work required when a pediatric patient meets criteria for critical illness and requires immediate assessment, stabilization, and coordination of inpatient care. Nationally, accurate use of this code affects clinical documentation, hospital resource allocation, and payer recognition of intensive pediatric services.

Key payers addressed in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find benchmarks for utilization and reimbursement patterns across major payers, common documentation and billing challenges, and the clinical context that supports appropriate assignment of the code. The publication also outlines policy updates and payer-specific nuances that influence coverage determinations and claims adjudication for high-acuity pediatric inpatient care.

This briefing is intended for revenue cycle leaders, pediatric hospitalists, clinical documentation improvement teams, and policy analysts seeking a concise national view of how CPT code 99475 is defined, applied, and reimbursed across major payers. Data not available in the input is noted where applicable.

AetnaBlue Cross Blue ShieldCigna HealthUnitedHealthcareMedicare99475CPTPediatric Critical CareInpatient ServicesInitial EvaluationClinical DocumentationBilling Compliance

Billing Code Overview

CPT code 99475 describes the initial evaluation and management of a critically ill child, ages two to five years, in an inpatient setting. This code represents the clinician's first comprehensive assessment and urgent management of a pediatric patient meeting critical illness criteria within a hospital or other inpatient facility.

Service type: Initial evaluation and management of a critically ill pediatric patient
Typical site of service: Inpatient hospital or other inpatient facility

Clinical & Coding Specifications

Clinical Context

A typical presentation is a child aged two to five years transported to the emergency department from home or a referring clinic with rapidly progressive respiratory distress, altered mental status, severe sepsis, or major traumatic injury. On arrival the child is triaged to an inpatient acute care or pediatric intensive care unit (PICU) bed. The admitting physician (pediatric hospitalist or pediatric intensivist) performs an immediate, focused initial evaluation and management. The clinician documents a timed, critical care-level assessment addressing airway, breathing, circulation, disability, and exposure; performs rapid bedside procedures as indicated (for example, urgent intubation, placement of intravenous or intraosseous access, bolus resuscitation); orders and interprets urgent diagnostic tests (blood gas, lactate, chest radiograph, point-of-care ultrasound); and initiates life-saving interventions (vasopressors, mechanical ventilation, fluid management, or antibiotic therapy). The workflow includes handoff communication to the critical care team, brief discussion with guardians about the child’s critical condition and interventions performed, and documentation of time spent performing critical interventions and decision-making that meets the requirements for critical care coding for a critically ill child aged two through five years under 99475.

Coding Specifications

Modifier	Description	When to Use
`11`	Office or other outpatient visit

Taxonomy Code	Specialty	Notes
`208000000X`	Pediatrics	Pediatric hospitalists and intensivists who commonly perform initial critical evaluations of young children.
`2080P0206X`	Pediatric Critical Care Medicine	Pediatric intensivists providing inpatient PICU-level management.
`2084P0800X`	Pediatric Emergency Medicine	Emergency physicians performing initial stabilization prior to PICU admission.
`207RC0000X`	Family Medicine	Family physicians who may perform initial inpatient critical evaluations in some hospital settings.

ICD-10 Code	Description	Clinical Relevance
`Pediatric codes not provided`	Data not available in the input.	Data not available in the input.

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`99291`	Critical care, evaluation and management of the critically ill or critically injured patient; first 30-74 minutes	Adult-oriented critical care time-based code often used for critically ill patients older than the pediatric-specific CPT codes; similar time-based structure to pediatric critical care codes.
`99476`	The provider performs initial evaluation and management of a critically ill child, ages six to eleven years, in an inpatient setting	Pediatric critical care code for the next age band; used when the patient’s age falls into the 6–11 year range.
`99477`	The provider performs subsequent inpatient critical care of a critically ill infant or child (first hour)	Used for ongoing critical care management after the initial evaluation and stabilization coded with `99475`.
`36556`	Insertion of non-tunneled centrally inserted central venous catheter; age 5 years or younger	Common invasive vascular access procedure performed during initial critical management when central access is required.
`31500`	Intubation, endotracheal, emergency procedure	Emergency endotracheal intubation frequently performed during initial critical care evaluation for airway compromise.
`94002`	Ventilation assist and management, initiation of pressure or volume preset ventilator for assisted or controlled ventilation; inpatient	Initiation of mechanical ventilation often occurs during the initial critical evaluation and stabilization.

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