CPT 99480E&M

Ic inf pbw 2501-5000 g subsq

CPT code 99480 covers the first day of intensive care services for critically ill newborns weighing between 2501 and 5000 grams (approximately 5.5 to 11 pounds). This code is used when a baby requires constant monitoring and intervention in a neonatal intensive care unit.

Showing rates for

National Average

Base Medicare rate

$110.95

This calculator gives a typical-case estimate using standard Medicare modifier rules. Actual payment depends on payer policies, documentation, code-specific CMS status indicators, and locality. Verify before billing.

RVU breakdown

Work RVU

2.4

PE RVU (NF)

0.87

MP RVU

0.16

Total RVU

3.43

Conversion factor: 32.3465 · Source: CMS MPFS RVU25A · Confidence: High

NCCI bundling edits

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Billing tips

Bill only for the initial day of intensive care; use 99478 or 99479 for subsequent days based on weight
Impact: Using 99480 for multiple days will result in denials after the first date of service, potentially delaying $110.95 per incorrect claim
Document exact birth weight in grams in medical record and claim; weight determines correct code selection among 99477-99480
Impact: Incorrect weight documentation can lead to downcoding (99477 pays less) or upcoding allegations; weight must be 2501-5000g for 99480
Verify that services meet intensive care criteria; patient must require constant physician availability and frequent interventions
Impact: Failure to document critical illness can result in downcoding to lower-level codes (99231-99233) with reimbursement as low as $50-75, losing approximately $35-60 per encounter
Do not bill 99480 with critical care codes (99291/99292) on the same date; choose the most appropriate code based on documentation
Impact: These codes are mutually exclusive; billing both will result in denial of one service, and 99291 may pay more ($350+) for eligible patients
Include time-based documentation when possible, noting frequency of assessments and interventions throughout the 24-hour period
Impact: Strengthens medical necessity and reduces audit risk; detailed time logs can support the 2.4 work RVUs assigned to this code
Ensure attending physician documents direct involvement in critical decision-making in teaching hospitals
Impact: Lack of attending attestation in academic settings results in 100% claim denial ($110.95 loss) due to teaching physician rules

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Frequently asked questions

What is the difference between CPT 99480 and 99477?

Both codes represent initial day intensive care for critically ill neonates, but differ by weight category. CPT 99477 is for very low birth weight infants (present body weight less than 1500 grams), while 99480 is for infants weighing 2501-5000 grams. Code selection must be based on documented weight, and 99477 reimburses higher due to greater complexity.

How much does Medicare pay for CPT code 99480 in 2025?

Medicare pays $110.95 for CPT 99480 in 2025 based on the national average rate. Both facility and non-facility rates are identical at $110.95. This reflects 3.43 total RVUs multiplied by the 2025 conversion factor of 32.3465.

Can CPT 99480 be billed for multiple days?

No, CPT 99480 should only be billed once for the initial day of intensive care services. For subsequent days of intensive care, you must use CPT 99478 (for infants 1500-2500 grams) or 99479 (for infants 2501-5000 grams) depending on the patient's weight category.

What documentation is required to bill CPT 99480?

Required documentation includes exact birth weight in grams (2501-5000g range), gestational age, detailed assessment of the critically ill neonate's condition, all organ systems review, specific intensive care interventions, respiratory and nutritional support details, vital signs, frequency of monitoring, and the medical necessity for intensive care level services.

Can you bill 99480 and critical care codes together?

No, CPT 99480 and critical care codes (99291/99292) are mutually exclusive and should not be billed together for the same date of service. You must choose the code that most accurately reflects the service provided. Critical care codes may reimburse higher but have different documentation requirements including time tracking.

What RVUs are assigned to CPT 99480 in 2025?

CPT 99480 has a work RVU of 2.4, practice expense RVU of 0.87 (both facility and non-facility), and malpractice RVU of 0.16, for a total of 3.43 RVUs. These values are from the CMS Medicare Physician Fee Schedule RVU25A released December 23, 2024.

Which medical specialties typically bill CPT code 99480?

CPT 99480 is most commonly billed by neonatologists, pediatric critical care specialists, and pediatric hospitalists working in NICU settings. General pediatricians with NICU privileges may also bill this code when providing intensive care services to critically ill newborns in the appropriate weight range.