How do you approach the use of the quantification of HBsAg titers in chronic hepatitis B infection who are eAg negative with viral suppression on treatment?

The use of hepatitis B quantitative surface antigen has been increasing in recent years. There b are several uses for it. A very low level indicates a high likelihood of S antigen clearance, so a patient, who might want to stop taking their nucs would be reassured if their level was less than 100. O...