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Test ID: AAQP
Amino Acids, Quantitative, Plasma

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Reference Values Describes reference intervals and additional information for interpretation of test results. May include intervals based on age and sex when appropriate. Intervals are Mayo-derived, unless otherwise designated. If an interpretive report is provided, the reference value field will state this.

Plasma Amino Acid Reference Values (nmol/mL)

Age Groups

<24 Months (n=191)

2-17 Years (n=441)

> or =18 Years (n=148)

Phosphoserine (PSer)

<109

<95

<18

Phosphoethanolamine (PEtN)

<6

<5

<12

Taurine (Tau)

37-177

38-153

42-156

Asparagine (Asn)

25-91

29-87

37-92

Serine (Ser)

69-271

71-208

63-187

Hydroxyproline (Hyp)

8-61

7-35

4-29

Glycine (Gly)

111-426

149-417

126-490

Glutamine (Gln)

316-1020

329-976

371-957

Aspartic Acid (Asp)

2-20

<11

<7

Ethanolamine (EtN)

<70

<64

<67

Histidine (His)

10-116

12-132

39-123

Threonine (Thr)

47-237

58-195

85-231

Citrulline (Cit)

9-38

11-45

17-46

Sarcosine (Sar)

<5

<5

<5

b-Alanine (bAla)

<28

<27

<29

Alanine (Ala)

139-474

144-557

200-579

Glutamic Acid (Glu)

31-202

22-131

13-113

1-Methylhistidine (1MHis)

<11

<20

<28

3-Methylhistidine (3MHis)

<1

<1

2-9

Argininosuccinic Acid (Asa)

<2

<2

<2

Carnosine (Car)

<13

<1

<1

Anserine (Ans)

<1

<1

<1

Homocitruline (Hcit)

<5

<2

<2

Arginine (Arg)

29-134

31-132

32-120

a-Aminoadipic Acid (Aad)

<4

<3

<3

g-Amino-n-butyric Acid (GABA)

<4

<3

<2

b-Aminoisobutyric Acid (bAib)

<9

<5

<5

a-Amino-n-butyric Acid (Abu)

7-28

7-31

9-37

Hydroxylysine (Hyl)

<4

<3

<2

Proline (Pro)

85-303

80-357

97-368

Ornithine (Orn)

20-130

22-97

38-130

Cystathionine (Cth)

<2

<2

<5

Cystine (Cys)

2-32

2-36

3-95

Lysine (Lys)

49-204

59-240

103-255

Methionine (Met)

11-35

11-37

4-44

Valine (Val)

83-300

106-320

136-309

Tyrosine (Tyr)

26-115

31-106

31-90

Homocystine (Hcy)

NA

NA

<5

Isoleucine (IIe)

31-105

30-111

36-107

Leucine (Leu)

48-175

51-196

68-183

Phenylalanine (Phe)

28-80

30-95

35-80

Tryptophan (Trp)

17-75

23-80

29-77

Alloisoleucine (Allolle)

<2

<3

<5

 



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