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Doctor insights on: Cea Blood Test

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Hoping you can tell me, is level of 8 on a CEA blood test highly elevated?

Hoping you can tell me, is level of 8 on a CEA blood test highly elevated?

CEA test: Carcinoembryonic antigen test is to detect response to therapy in cancer patients, especially colon cancer, with normal range of less than 2.5 (less than 5 in heavy smokers). Note that a positive test may not always be indicative of cancer. Review with your doctor. ...Read more

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Dr. Carlos Encarnacion
117 doctors shared insights

Cea (Definition)

Carcino embryonic antigen which can be elevated in ...Read more


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Cea blood test levels low but cat scans show more cancer?

Cea blood test levels low but cat scans show more cancer?

Possible: Please note that cea is just another tool we have and as such it is not perfect. Many patients have elevated cea and have no cancer and many others have clinical and x-ray evidence of active cancer and yet their cea is normal. Such tumors just don't produce cea and in those cases, the test is useless. No test is infallible. ...Read more

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M CEA blood cancer test was <0.5 is that n normal range? Thank u:-)

M CEA blood cancer test was <0.5 is that n normal range? Thank u:-)

Yes: To answer your question simply, yes that is in normal range for cea. However, a normal cea does not mean a person does or does not have a cancer. It does become useful to trend and monitor for recurrence in patients with colon cancer, especially if they previously had an elevated level. ...Read more

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Blood test reveals a CEA level of 7.6ug/l. Never had cancer that i know of. I am a smoker 50yrs of age, female?

Blood test reveals a CEA level of 7.6ug/l. Never had cancer that i know of. I am a smoker 50yrs of age, female?

Don't screen w/CEA: Cea (carcinoembryonic antigen) is not meant to be used as a screening test for cancer as many cancers don't produce it and smoking can raise the value, leading to unwarranted worry and further invasive testing to dispel said worry. Check out http://labtestsonline.Org/understanding/analytes/cea/tab/test for more info, especially it's proper use & role. ...Read more

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I'm 33 - smoker - family history of cancer - Had blood test all normal but CEA 5.4 - creatinine 0.6 - monocytes 9% . Could I have cancer?

I'm 33 - smoker - family history of cancer - Had blood test all normal but CEA 5.4 - creatinine 0.6 - monocytes 9% . Could I have cancer?

Why were you tested?: CEA is a poor screening test in people without symptoms or signs of cancer. And reference ranges are set so that a few percent of healthy folks fall outside on either end. This is very slightly above reference range and not uncommon for a smoker. Please try to stop and ask your physician whether chest imaging and/or colonoscopy are in order. ...Read more

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I am a breast cancer survival - do I need to do the tumour markers blood test -ca153, ca19.9, ca12.5, cea, afp?

I am a breast cancer survival - do I need to do the tumour markers blood test -ca153, ca19.9, ca12.5, cea, afp?

Generally no: Standards of care in the us do not recommend routine tumor marker testing in cancer survivors (we usually do ca 27.29 for breast cancer). Markers are mostly useful to assess response to therapy in patients with advanced cancer. That said, many oncologists (myself included) will sometimes order routine markers in cancer survivors depending on the circumstances. ...Read more

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A friend has been told they have colon cancer, diagnosed via a tumour marker blood test, high cea, CT scan showed contained mass. Is this conclusive?

A friend has been told they have colon cancer, diagnosed via a tumour marker blood test, high cea, CT scan showed contained mass. Is this conclusive?

No, but...: But very suspicious for colon cancer. If your friend is similar in age to yourself a mass in the colon on ct scan is cancer until proven otherwise. And cea levels can go up for other reasons but, given the mass, they would strongly favor cancer. But to answer your question "no"... They are not definitive. You would need a piece of the mass under a microscope to prove definitively its cancer. ...Read more

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What is a sma7 blood test?

Basic kidney fncns: It is the same as a basic metabolic profile (bmp). It includes serum levels of sodium, potassium, chloride, bicarbonate, (sodium bicarbonate) blood urea nitrogen (bun), creatinine, and glucose. It gives a basic picture of your metabolic and renal health. ...Read more

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Could i refuse a blood test?

Yes: But you must accept the responsibility that if something is not able to be diagnosed or missed by not getting the test the consequences are your responsibility.. Also when you are on some medications you need to have blood work to asses treatment and may hinder your treatment. ...Read more