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Lab Test Dictionary

Amino Acid Analysis, Plasma (767) (NBS Follow-Up Only)

Methodology

Chromatography/Mass Spectrometry


Specimen Type

Plasma

Performing Lab

Quest Diagnostics San Juan Capistrano


Epic ID

Other Reference Test

Lab Test Days

Monday-Saturday

Standard TAT

4 Days


Collection Information

Specimen Required

1-4 mL Blood

Container Type

Dark Green (Sodium Heparin)

Collection Instructions

Plasma collected in an EDTA (lavender-top) or lithium heparin (green-top) tube is also acceptable. Specimen must be accompanied with a special Quest Metabolic Newborn Screen Follow-Up TRF with the CDPH Quest Client account number to lab.


Processing Information - Lab Use Only

Transport Temperature

Frozen-Only

Specimen Stability

Room Temp=Unacceptable; Refrigerated=7 Days; Frozen=30 Days

Rejection Criteria

Gross hemolysis; Received room temp

Test Volume Required

2 mL Plasma

Minimum Test Volume

0.25 mL Plasma

Processing Instructions

Specimen must be accompanied with a special Quest Metabolic Newborn Screen Follow-Up TRF with the CDPH Quest Client account number to Quest frozen. Contact Jennifer Widmer (Metabolic/NBS Coordinator) at x224642 for any questions.


Included Tests

1-Methylhistidine, 3-Methylhistidine, Alanine, Alpha-Aminoadipic Acid, Alpha-Aminobutyric Acid, Arginine, Asparagine, Aspartic Acid, Beta-Alanine, Beta-Aminoisobutyric Acid, Citrulline, Cystathionine, Ethanolamine, Gamma-Aminobutyric Acid, Glutamic Acid, Glutamine, Glycine, Histidine, Homocystine, Hydroxyproline, Isoleucine, Leucine, Lysine, Methionine, Ornithine, Phenylalanine, Proline, Sarcosine, Serine, Taurine, Threonine, Tryptophan, Tyrosine and Valine.


CPT Codes

82139