Synonyms
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Allscripts (AEHR) Order Name
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Amino Acids, Plasma
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Sunrise Clinical Manager (SCM) Order Name
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Amino Acids, Plasma
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EPIC Order Name
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Amino Acid Profile, Quantitative
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Clinical Info
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Diagnosis and monitoring of inherited aminoacidurias, organic acidurias, and urea cycle defects. May be used as a follow-up confirmatory test to some abnormal newborn screen results.
Limitations
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Specimen Type
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Blood
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Container
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Green Top Tube
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Collection Instructions
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Container/Tube: Green-top (heparin) tube(s) Specimen : 0.5 ml (minimum volume: 0.25 mL) of plasma
Transport Temperature: Frozen
Stability: 14 Days frozen
Unstable Room Temperature or Refrigerated
Collection Instructions: Fasting (4 hours or more in infants). Spin specimen down promptly. Send specimen in plastic vial.
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Transport Instructions
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Frozen
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Specimen Stability
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14 Days frozen
Unstable Room Temperature or Refrigerated
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Methodology
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Liquid chromatography/tandem mass spectrometry (LC/MS-MS)
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Days Performed
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Performing Laboratory
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LabCorp
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CPT
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82139
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PDM
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5302900
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Result Interpretation
Analyte
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0−30 d
(μmol/L)
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31 d−23 m
(μmol/L)
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2 y−15 y
(μmol/L)
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>15 y
(μmol/L)
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Alanine (α-alanine)
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121.0−571.0
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112.5−500.4
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155.8−597.3
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124.8−564.2
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β-Alanine
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1.6−11.8
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1.8−9.0
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1.2−7.8
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1.1−9.0
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Alloisoleucine
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0.3−2.0
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0.3−2.0
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0.5−2.5
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0.4−3.2
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α-Aminoadipic acid
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0.0−2.9
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0.0−2.6
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0.0−1.9
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0.0−2.2
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γ-Aminobutyric acid (GABA)
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0.0−0.6
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0.0−0.8
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0.0−0.4
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0.0−0.3
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β-Aminoisobutyric acid
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0.1−9.6
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0.4−6.4
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0.3−3.3
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0.3−4.3
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α-Amino-N-butyric acid
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4.5−31.6
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3.9−31.7
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6.2−33.5
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5.4−34.5
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Arginine
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19.4−171.0
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25.0−140.7
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32.7−121.6
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32.0−150.0
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Argininosuccinic acid
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0.0−3.0
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0.0−3.0
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0.0−3.0
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0.0−3.0
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Asparagine
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20.2−106.6
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31.4−100.5
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31.6−100.5
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29.5−84.5
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Aspartic acid
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1.8−32.3
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1.6−13.4
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1.1−8.2
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0.9−7.4
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Citrulline
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4.7−44.3
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11.2−48.8
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12.0−47.3
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13.7−63.2
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Cystathionine
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0.1−2.1
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0.0−0.6
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0.0−0.2
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0.0−0.7
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Cystine
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6.1−38.7
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5.4−29.4
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8.8−36.3
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13.5−60.2
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Glutamic acid
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38.0−398.9
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27.0−195.5
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18.4−142.2
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18.1−155.9
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Glutamine
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264.0−835.0
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280.0−779.0
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330.0−726.0
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332.0−754.0
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Glycine
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145.6−518.9
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120.0−365.0
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129.1−429.7
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132.0−467.0
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Histidine
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42.9−115.2
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44.1−106.5
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49.8−103.8
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47.2−98.5
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Homocitrulline
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0.0−7.0
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0.0−1.3
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0.0−1.2
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0.0−1.7
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Homocystine
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0.0−0.1
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0.0−0.1
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0.0−0.1
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0.0−0.1
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Hydroxylysine
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0.4−3.0
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0.3−1.7
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0.2−1.0
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0.1−0.8
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Hydroxyproline
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19.0−115.6
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9.6−71.4
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8.6−45.2
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4.7−35.2
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Isoleucine
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19.3−127.4
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25.2−126.4
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27.7−110.3
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27.7−112.8
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Leucine
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44.0−224.5
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51.1−216.8
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56.6−193.6
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54.9−205.0
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Lysine
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83.2−334.2
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70.4−279.2
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82.7−239.5
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94.0−278.0
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Methionine
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13.9−68.7
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11.6−52.0
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12.5−40.2
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12.7−41.1
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Ornithine
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30.5−205.7
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25.7−131.3
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27.3−135.6
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30.5−131.4
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Phenylalanine
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28.5−108.2
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30.3−103.3
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31.9−103.4
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33.6−101.9
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Proline
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84.3−417.0
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79.9−358.3
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84.5−365.0
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84.8−352.5
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Sarcosine
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0.0−4.5
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0.0−5.4
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0.0−4.5
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0.0−4.0
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Serine
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60.6−236.2
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65.4−205.6
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60.1−171.9
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48.7−145.2
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Taurine
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28.7−238.4
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31.1−139.0
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33.3−126.0
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29.2−132.3
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Threonine
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60.7−326.8
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53.3−262.3
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55.9−192.6
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67.8−211.6
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Tryptophan
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20.0−86.0
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22.2−95.7
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23.9−99.3
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23.5−93.0
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Tyrosine
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21.4−186.9
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26.0−140.2
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32.2−123.2
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31.1−118.1
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Valine
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73.5−309.4
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84.9−345.0
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110.0−333.9
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102.6−345.4
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TAT: 4 - 7 Days
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Forms
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