Should you bill cpt code 83925 with modifier or just by units?

CPT code 83925, which is used for the measurement of 25-hydroxyvitamin D, should typically be billed based on the number of units performed. If there are specific circumstances that warrant it, such as a procedure that is distinct or separate from other services, a modifier may be appropriate. It’s important to consult payer guidelines to determine if modifiers are necessary for your specific billing scenario.