Hi I know that you don't diagnose, but could you PLEASE let me know how normal/within normal range or out of range are these three test results? CA 15-3 is a protein secreted by breast tissue and found in low levels in normal individuals. In addition, 3–7% of patients with pancreatitis show CA-72-4 values higher than the normal range. Other Conditions Can Cause Elevated CA 15-3 Levels Interpretation. Are these in normal range of size for my age? The reference range of serum CA 15-3 is less than 30 U/mL. Thus, all metastatic bone disease patients demonstrated elevated marker levels. The presence of cancerous breast tissue increases the level of CA 15-3; CA 15-3 Test is used to monitor breast cancer once it is diagnosed. 0-31 U/mL. So, if you are going for serial testing, it is advisable to stick to a single laboratory. Increasing and decreasing values show correlation with disease progression and regression, respectively. Other conditions can cause CA 15-3 to be in your blood. Explanation of CA15-3 Blood Test Results “CA” stands for “Cancer Antigen.” That means the CA 15-3 blood test is ordered to determine the presence of a specific antigen that is present in the body when cancer may be there. May also include abnormal ranges. A normal test should be less than or equal to 30 U/mL. In general, approximately 5% women show CA-72-4 values higher than the reference range. Cancer antigen 15-3 (CA 15-3) is a protein that is produced by normal breast cells. Although 22 of the 27 patients had an elevated CA15-3 at the time of diagnosis of their bone metastases, the remaining five patients (with tumour marker levels in the normal range) showed a similar, albeit a delayed, increase (median = 3 months). My latest on the CA 15.3 is 171.5 and my latest on the CA 27.29 is 322.3. A 1999 Italian study comparing the CA 15-3 test with another marker test, the CA 27-29, found that “CA27.29 discriminates primary breast cancer from healthy subjects better than CA15.3, especially in patients with limited disease.” 1. I have them plotted on a graph. It is important to know that having a positive CA 15-3 blood test does not mean you have breast cancer or that your breast cancer has come back. – A declining level of CA 15-3 indicates that the malignancy is responding to treatment. In this instance, it is commonly ordered as part of a blood test panel to determine the presence of breast cancer. ... Cancer Antigen-Breast (CA15-3) 6875-9 * Component test codes cannot be used to order tests. But remember, it's just an indicator, signalling that further testing is necessary to find out IF anything is wrong. 1 doctor answer • 1 doctor weighed in. Normal range/expected value(s) for a specific disease state. It may be too early in the disease process for elevated levels of CA 15-3 to be detected or the person may be one of the roughly 20% to 25% of individuals with advanced breast cancer whose tumours do not shed CA 15-3. It is also used to evaluate the effectiveness of treatment. I have an appointment with my doctor but he is closed on weekends TSH 0.39 Prolactin 22.2 T3 0.62? Normal CA 15-3 levels do not ensure that a person does not have localized or metastatic breast cancer. Different laboratories use different methods to test for this antigen. In many people with cancerous breast tumors, there is an increased production of CA 15-3 and the related cancer antigen 27.29.CA 15-3 does not cause cancer; rather, it is shed by the tumor cells and enters the blood. Glori, Any abnormal test will set off alarm bells and anxiety. I'm sure that is how you're feeling with the higher than normal levels of cancer antigen 15-3 (CA15-3) in your recent blood test. Interestingly, approximately 50% of patients suffering from Mediterranean fever demonstrate CA-72-4 values higher than the reference range [35]. CA 15-3 is measured in units per milliliter (U/mL). -----I'm really need to educate myself on this... and I have tried but all that I know is that the normal range of the CA 15.3 is 0-31.4. and the normal for the CA27.29 is 0 - 38.

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