CPT® 63, Under Provider Services and Ambulatory Service Center Modifiers

The Current Procedural Terminology (CPT®) code 63 as maintained by American Medical Association, is a medical procedural code under the range - Provider Services and Ambulatory Service Center Modifiers.

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Lay Term


Append modifier 63 to a code for a procedure that a provider performs on a neonate or infant weighing up to 4 kg, which is roughly 8.8 pounds. This modifier is not appropriate for codes designated as modifier 63 exempt.

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Modifier Guidelines


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