Modifier 25 should be appended to the office or other. outpatient service code to indicate that a significant, separately. identifiable E/M service was provided by the same physician. on the same day as the preventive medicine service.
The level of homocysteine in the blood can be measured with a simple blood test that is often, but not always, done after fasting. Homocysteine levels of 12 mmol/L are considered normal and levels below 10 mmol/L are considered desirable.
If the cycle of methylation is not working well a dangerous substance called homocysteine accumulates in the blood. High homocysteine levels cause serious damage to the cells and the DNA. This leads to premature aging â and premature death.High homocysteine is closely involved in: 1  Heart and artery disease. 2  Diabetes. 3  Alzheimerâs disease. 4  Various types of cancer. 5  Depression. 6  Parkinsonâs disease. 7  Low thyroid function.igh homocysteine levels cause serious damage to the cells and the DNA. This leads to premature aging â and premature death. High homocysteine is closely involved in: 1  Heart and artery disease. 2  Diabetes. 3  Alzheimerâs disease. 4  Various types of cancer. 5  Depression. 6  Parkinsonâs disease. 7  Low thyroid function.