HCPCS Code J3358: Ustekinumab, for Intravenous Injection, 1 mg

It became effective January 1, 2018, and it's still valid now.

All injected medication will result in pain and discomfort in the injection site. Other common but minor side effects include feeling fatigued and having headaches. Rare complications include being at risk of tuberculosis and other infections, anaphylaxis, and possible worsening of existing conditions the patient has. It's best to observe the patient for at least an hour after the intravenous infusion.

It varies from person to person. Some will notice the benefits in just a few weeks, while some may take a few months.