The typical form of seizures occurs within the first month of life, while in atypical patients, seizures may be delayed until infancy to 3 years of age
It is the foundation of everything that follows
Although these compounds are often studied within similar experimental domains, their mechanistic profiles differ

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
Yarasheski KE et al
That's where most protocols start, but the preparation method