The exogen phase overlaps with telogen and lasts a few weeks as the hair sheds
Requirements for billing multiple units: Two different drugs administered at two different anatomical sites Full documentation for each injection recorded separately in the chart Modifier 59 or XU on each additional injection line beyond the first Verify the current MUE limit before billing multiple units using the CMS MUE table , since limits are updated quarterly Check payer-specific policy, because some payers require Modifier 59 while others accept XU When not to bill multiple units: Two medications mixed into a single syringe equals one unit of 96372 One medication dose split across two syringes due to volume equals one unit, though the split should be noted in documentation Same drug, same site, same day without additional clinical justification won't survive a review Patient-Supplied Medication and CPT 96372 When a patient supplies their own medication, the practice does not bill the J-code
This article is educational and does not provide medical, dosing, reconstitution, or administration advice
J Biochem Mol Toxicol 38(1):e23618 Choi W, Choe S, Lin J, Borchers MT, Kosmider B, Vassallo R et al (2020) Exendin-4 restores airway mucus homeostasis through the GLP1R-PKA-PPARgamma-FOXA2-phosphatase signaling
