105 CMR 120.423
Appendix D – Exemptions from Shielding for Certain Fluoroscopic Procedures
(A) Angiograms
(B) Arthrograms
(C) Biliary drainage procedures
(D) Fluoroscopic biopsy procedures
(E) Myelograms
(F) Percutaneous cholangiograms
(G) Percutaneous nephrostomies
(H) Sinograms or fistulograms
(I) T-tube cholangiograms