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MCV levels
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MCV levels

I was invovled in a car accident last year and a blood test was run.  The resulted shock me due to it coming back with a .177 result.  I only had three drinks in a four hour time span.  I have researched that high MCV levels can be associated with excessive alcohol use.  My results for the hospital blood test were the following:

RBC: 4.73
Hemogl: 14.5
Hematoc: 41.9
MCV: 88.5
MCH: 30.6
MCHC: 34.5
Platelet Count: 195
AST: 62
ALT: 55

I just recently took another blood test for an annual check up (1/23).  The results:

RBC: 4.73
Hemogl: 14.1
Hematoc: 40.8
MCV: 86.1
MCH: 29.7
MCHC: 34.5
Platelet Count: 199
AST: not tested
ALT: not tested

The levels for the MCV are almost the same.  I also read that 10fl higher than normal levels is a good indicator for impaired driving (80-94 normal ranges).  Am I barking up the wrong tree here?  I know what happen and it's not what the results of the ethanol test read out.

Thank you for any insight.
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Both blood counts look pretty normal to me.

Cases of macrocytic anemia - where the MCV is typically above 100 - can be caused by alcohol, vitamin B-12/folate deficiency, or liver disease.  

Since the MCV is below 100, it is not likely that you are drinking enough to affect this lab value.  

The metabolism of alcohol can vary from person to person, depending on their weight and liver function.

These concerns can be discussed with your personal physician.

Followup with your personal physician is essential.

This answer is not intended as and does not substitute for medical advice - the information presented is for patient education only. Please see your personal physician for further evaluation of your individual case.

Kevin, M.D.
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A related discussion, Blood results was started.
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