People that may benefit from checking blood glucose include those: 1  taking insulina hormone that helps the body use glucose for energy. 2  that are pregnant. 3  having a hard time controlling blood glucose levels. 4  having low blood glucose levels. 5  having low blood glucose levels without the usual warning signs. 6  have ketones from high blood glucose levels.
For patients at high risk for colorectal cancer, a screening barium enema performed as an alternative to colonoscopy (G0105) is reported with code G0120. Medicare will pay for this procedure every two years (at least 23 completed months since the last screening barium enema or colonoscopy). There is no age limit. For patients at normal risk for colorectal cancer, a screening barium enema performed as an alternative to sigmoidoscopy (G0104) is reported with code G0106.
Medicare ABN Specific Modifiers â GA, GX, GY, GZ. We get a lot of questions at our medical billing company about which modifiers to use when submitting charges to Medicare. Specifically, we are often asked how to indicate whether or not an ABN (Advanced Beneficiary Notice) was given to the patient. These are the top 4 Medicare modifiers we use. GA Modifier: Waiver of Liability Statement Issued as Required by Payer Policy. This modifier indicates that an ABN is on file and allows the provider to bill the patient if not covered by Medicare. Use of this modifier ensures that upon denial, Medicare will