Ped crit care age 2-5 subsq
CPT 99476 is used when a critically ill child between ages 2 and 5 receives intensive care on the second or later days of their hospital stay. This code covers all the intensive monitoring, procedures, and care coordination provided by the physician during a full day in the pediatric ICU.
RVU breakdown
Conversion factor: 32.3465 · Source: CMS MPFS RVU25A · Confidence: High
Billing tips
Bill 99476 only for subsequent days (day 2 and beyond); use 99475 for the first day of pediatric critical care for ages 2-5
Impact: Using wrong code results in claim rejection; 99475 pays $437.75 vs $325.41 for 99476, so incorrect sequencing causes $112.34 payment variance
Do not bill 99476 with same-day critical care time codes (99291/99292); this code is age and service-specific and mutually exclusive
Impact: Bundling edits will deny one or both codes; creates compliance risk and potential recoupment of $325.41 per occurrence
Verify patient age at time of service is 2-5 years; use different codes for younger (99469/99470/99471/99472) or older patients (99291/99292)
Impact: Age-inappropriate coding triggers denial; wrong age category may underpay or create audit flags for upcoding
Document all bundled procedures performed (arterial line placement, intubation, chest tube, etc.) even though separately non-billable
Impact: Supports medical necessity for critical care level billing and protects against downcoding during audits to lower-level E&M codes
Bill only one unit per day per patient regardless of time spent; this is not a time-based code
Impact: Multiple units per day will be denied; attempting to bill >1 unit triggers immediate rejection and audit flag
Ensure documentation clearly states patient meets criteria for critical illness (organ system failure or high probability of imminent deterioration)
Impact: Lack of critical illness documentation results in downcoding to inpatient E&M codes (99231-99233) paying $75-150, representing $175-250 loss per day
Common denials
Medical necessity not supported - patient condition does not meet critical illness criteria
How to appeal: Submit clinical documentation showing organ system dysfunction/failure, severity of illness scores (PRISM/PIM), specific interventions requiring ICU-level care, and evidence of high risk for rapid deterioration requiring continuous physician availability
Incorrect age - patient outside 2-5 year age range at time of service
How to appeal: Verify patient date of birth and service date; if patient was actually in correct age range, submit birth certificate or registration documentation. If age was incorrect, rebill with appropriate age-specific code and withdraw original claim
Duplicate billing - another provider already billed critical care for same date of service
How to appeal: Clarify which physician was attending of record using modifier AI; submit documentation showing distinct service times or demonstrate the other claim was billed in error and should be withdrawn
Bundled procedure billed separately on same date (e.g., arterial line, central line, intubation)
How to appeal: Explain that 99476 is comprehensive and includes these procedures; request withdrawal of separately billed procedure codes. If procedure was truly separate and not part of critical care, provide clear documentation with modifier 59/XU and distinct procedural note
Frequently asked questions
What is the Medicare reimbursement rate for CPT 99476 in 2025?
The 2025 Medicare national average payment rate for CPT 99476 is $325.41 for both facility and non-facility settings. This rate is based on a total RVU of 10.06 (6.75 work RVU + 2.73 PE RVU + 0.58 MP RVU) multiplied by the 2025 conversion factor of 32.3465.
What is the difference between CPT 99475 and 99476?
CPT 99475 is for the initial day of pediatric critical care for ages 2-5 years, while 99476 is for subsequent days (day 2 and beyond) for the same age group. The initial day code 99475 reimburses at $437.75, while subsequent day 99476 reimburses at $325.41, reflecting the greater work involved in the initial assessment and stabilization.
Can you bill CPT 99476 more than once per day?
No, CPT 99476 is a per-day code and should only be billed once per calendar day regardless of how many hours the physician spends providing critical care. It is not time-based and encompasses all critical care services provided throughout the entire day.
What age range is CPT 99476 appropriate for?
CPT 99476 is specifically for critically ill pediatric patients aged 2 years through 5 years (up to the 6th birthday). Different codes apply for younger infants (99469-99472) and for children 6 years and older (99291-99292).
What procedures are bundled into CPT 99476?
CPT 99476 includes all typical critical care procedures such as vascular access (arterial, central, peripheral lines), airway management (intubation), ventilator management, gastric intubation, bladder catheterization, interpretation of chest X-rays and blood gases, cardiac output monitoring, and temporary pacing. These cannot be separately billed on the same date of service.
Can CPT 99476 be billed with critical care time codes 99291 and 99292?
No, CPT 99476 cannot be billed with 99291 or 99292 on the same date of service. These codes are mutually exclusive. For patients aged 2-5 years, the age-specific pediatric critical care codes (99475/99476) take precedence over the time-based critical care codes.
How many days in a row can you bill CPT 99476?
You can bill CPT 99476 for every day the patient continues to meet critical care criteria after the initial day, without a specific limit. However, each day must be documented to show the patient continues to be critically ill and requires intensive care unit level services with ongoing organ system support or high risk of deterioration.