When the approach is transforaminal (needle passed through the neural foramen toward the nerve root sleeve), the correct code is CPT 64483 (transforaminal epidural injection, lumbar or sacral, single level, with imaging guidance)
P., Fouquerel, E., & Opresko, P
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This was confirmed and elaborated on by Fafula, Roman V et al who published research in the Journal of Human Reproductive Sciences that shows glutathione not only important in protecting the sperm and improving motility and viability, but that the female reproductive tract contains extracellular glutathione, and if levels are adequate, would give sperm a survival advantage
Splitting the dose into two injections at different sites around the knee maintains more consistent local peptide levels