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Vanderbilt Pathology Laboratory Services

Test Directory



AMINO ACIDS PLASMA (AA)

Department: Toxicology
Test Synonym(s): AA
Test Components: Call the lab for a list (615-322-0162)
CPT Codes: 82139
Methodology: HPLC
Reference Range: Supplied with results
Tube Type: Lavender top (EDTA)
Specimen: Plasma
Alternate Specimen: Light green top PST (Lithium Heparin with gel) or Dark green top (Sodium Heparin)
Volume: 0.5 mL plasma
Temperature: Frozen at -20C
Stability: Separate and freeze immediately
Reasons for Rejection: Clotted sample
Days Performed: Monday - Friday
Times Performed: 7 a.m. - 4 p.m.
TAT: Call lab for expedited request
Special Instructions: Deliver to lab on ice - plasma is the specimen of choice for most amino acid disorders excepting transport defects. Click here to print the Amino Acid requisition.

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