New Patient E/M

Q. On our new superbill, there is a spot to code for Phenergan (generic is promethazine HCI) 50 mg when administered intramuscularly. How would we code for Phenergan when the physician orders Phenergan 25 mg IM? Do we mark the code x ½? Anonymous, Illinois A. If you administer 50 mg of promethazine or any portion of 50 mg, then you use code J2550 (injection, promethazine HCI, up to 50 mg). For example: 25 mg …

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