Final answer:
The provided CPT code options do not correspond to a collagen injection into the lips, and it appears there is an error in the provided choices. The correct code would typically be represented by a different category and should be confirmed with the latest CPT manual or a billing specialist.
Step-by-step explanation:
The correct CPT code for a scenario involving a 3.5 cc of collagen injection into the lips is 4040X, where X is the appropriate anatomical site. However, none of the options provided in the question (30100, 30400, 31575, 64622) directly correspond to a collagen injection into the lips. The codes listed are related to other procedural elements, and it appears there may have been an error in the options provided.
Typically, codes for injectable fillers for cosmetic purposes might start with 'J' and are often used in conjunction with other procedural codes. It might be best to check the most recent CPT codes manual or consult with a billing specialist to obtain the accurate code for this procedure.