Radiopharmaceuticals Reimbursement - HELP!

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Good Morning,
Our docs are considering performing new scans with their nuclear machine, and asked me to look into the reimbursement. The codes are the following:

78206 & A9541 - Liver/Spleen scan with sulfur-colloid liver dose

78015 & A9502 - Thyroid scan & dose

78315, A9503, & J7050 - 3 Phase Bone scan, TC99, MDP bone dose

We are trying to figure out if these services are payable in the Primary Care setting, and the limited information I have been able to acquire points to no.

Anyone have any insight on this? Thanks for your help!

- Joanna