Re: Elevated Level of 3-Methylhistidine and Other Amino Acids

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Plasma Amino Acids

[Fast for 4 hours before the test, or the test results may be altered and invalidated.]

What Abnormal Results Mean

If chromatography shows increased levels of an amino acid, there is a defect of the enzyme that converts the amino acid and prevents it from accumulating.

If the total amino acid level is elevated, several diseases or conditions should be considered:

1. chronic renal failure

2. acute renal failure

3. eclampsia

4. fructose intolerance

5. Reye's syndrome

6. ketoacidosis (from diabetes)

If the total amino level is decreased, the following conditions should be considered:

1. fever

2. malnutrition

3. rheumatoid arthritis

4. Hartnup disease

5. Huntington's chorea

6. phlebotomus fever

7. nephrotic syndrome

8. adrenal cortical hyperfunction