CPT 73592Radiology

X-ray exam of leg infant

CPT code 73592 covers an X-ray examination of an infant's lower leg, which includes imaging of the tibia, fibula, ankle, and/or knee in a child under one year of age. This specialized pediatric imaging code requires appropriate technique adjustments for infant anatomy.

Showing rates for

National Average

Base Medicare rate

$30.41

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

0.16

PE RVU (NF)

0.76

MP RVU

0.02

Total RVU

0.94

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

NCCI bundling edits

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Billing tips

Always document patient age in months to justify use of infant-specific code 73592 rather than standard lower extremity codes
Impact: Prevents denials for age-inappropriate coding; age documentation is primary criterion for code selection and audit defense
Append RT or LT modifiers for unilateral studies and bill separately for each leg when bilateral imaging is performed
Impact: Bilateral studies can yield up to $60.82 (2x$30.41) when properly documented and coded with appropriate modifiers
Verify that technique adjustments for infant imaging are documented, including reduced exposure settings and specialized positioning
Impact: Supports medical necessity and demonstrates appropriate standard of care; critical for Medicare audits and quality metrics
Use modifier 76 when repeat imaging is necessary due to patient movement or positioning issues common in infant patients
Impact: Allows additional $30.41 reimbursement for medically necessary repeat studies that would otherwise be denied as duplicates
Ensure indication for study clearly documents clinical necessity beyond screening, as some payers restrict reimbursement for routine developmental screening
Impact: Increases clean claim rate by 15-20%; clear medical necessity prevents administrative denials and expedites payment
Bill facility fee separately when performed in hospital setting, splitting professional (26) and technical (TC) components appropriately
Impact: Proper component billing ensures maximum facility reimbursement while avoiding compliance issues with component coding

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Frequently asked questions

What is the Medicare reimbursement rate for CPT code 73592 in 2025?

The 2025 Medicare national average reimbursement for CPT 73592 is $30.41 for both facility and non-facility settings. This rate is based on a total RVU of 0.94 multiplied by the 2025 conversion factor of 32.3465.

What age range qualifies a patient for CPT code 73592 versus other lower extremity X-ray codes?

CPT 73592 is specifically for infant patients, typically defined as children under 12 months of age. For children over one year, use CPT 73590 (lower extremity X-ray, age-appropriate) instead. Accurate age documentation is critical for proper code selection.

Can CPT 73592 be billed bilaterally for both legs?

Yes, when both legs are imaged, bill CPT 73592 twice with RT and LT modifiers to indicate right and left legs respectively. Some payers may require modifier 50 for bilateral procedures instead. Verify individual payer billing requirements for bilateral imaging.

What documentation is required to support medical necessity for CPT 73592?

Documentation must include the patient's age in months, clinical indication (such as suspected fracture, developmental concern, or trauma), physical examination findings, and the ordering physician's clinical rationale. The radiologist's interpretation report must also be maintained in the medical record.

How many RVUs is CPT code 73592 worth in 2025?

CPT 73592 has a total RVU value of 0.94 in 2025, consisting of 0.16 work RVU, 0.76 practice expense RVU, and 0.02 malpractice RVU. These values are identical for both facility and non-facility settings.

Do I need to use modifier 26 or TC when billing CPT 73592?

Use modifier 26 when billing only the professional component (physician interpretation) and modifier TC for only the technical component (equipment and technologist services). Bill the global code 73592 without modifiers when the same entity provides both components, typically in private practice settings.

What is the difference between CPT 73592 and 73590?

CPT 73592 is specifically for X-ray examination of an infant's leg (under 12 months), while CPT 73590 is for lower extremity X-rays in older children and adolescents. The age-specific coding reflects different technical requirements and radiation considerations for infant imaging versus older pediatric patients.