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Test ID: AAPD
Amino Acids, Quantitative, Random, Urine

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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.

Urine Amino Acid Reference Values (nmol/mg creatinine)

Age Groups

< or =12 Months

13-35 Months

3-6 Years

7-8 Years

9-17 Years

> or =18 Years

(n=515)

(n=210)

(n=197)

(n=74)

(n=214)

(n=835)

Phosphoserine

PSer

 <1

 <1

 <1

 <1

 <1

 <1

Phosphoethanolamine

PEtN

15-341

33-342

19-164

12-118

<88

<48

Taurine

Tau

37-8300

64-3255

76-3519

50-2051

57-2235

24 -1531

Asparagine

Asn

25-1000

62-884

28-412

38-396

22-283

25-238

Serine

Ser

18-4483

284 -1959

179-1285

153-765

105-846

97-540

Hydroxyproline

Hyp

<2536

<89

<46

<19

<22

 <15

Glycine

Gly

362-18614

627-6914

412-5705

449-4492

316-4249

229-2989

Glutamine

Gln

139-2985

263 -2979

152-1325

164-1125

188-1365

93-686

Aspartic Acid

Asp

<64

<56

 <30

<9

 <11

<10

Ethanolamine

EtN

282-3782

256-947

193-643

137-564

158-596

95-471

Histidine

His

145-3833

427-3398

230-2635

268-2147

134-1983

81-1128

Threonine

Thr

25-1217

55-763

30-554

25-456

37-418

31-278

Citrulline

Cit

 <72

 <57

 <14

<9

<14

        <12

Sarcosine

Sar

 <75

 <12

<9

<2

<3

<3

Beta-Alanine

bAla

 <219

 <92

 <25

<25

<49

<52

Alanine

Ala

93-3007

101-1500

64-1299

44-814

51-696

56-518

Glutamic Acid

Glu

<243

12-128

<76

<39

<62

<34

1-Methylhistidine

1MHis

17-419

18-1629

10-1476

19-1435

12-1549

23-1339

3-Methylhistidine

3MHis

88-350

86-330

56-316

77-260

47-262

70-246

Argininosuccinic Acid

Asa

<77

<48

<37

<24

<69

<15

Carnosine

Car

27-1021

16-616

18-319

<161

<109

<35

Anserine

Ans

 <277

<820

<398

<141

<369

<38

Homocitrulline

Hcit

<295

11-158

<71

<62

<33

<30

Arginine

Arg

10-560

20-395

14-240

<134

<153

<114

Alpha-aminoadipic Acid

Aad

10-275

15-324

10-135

<84

<76

<47

Gamma Amino-n-butyric Acid

GABA

 <25

 <13

<11

 <6

<5

<5

Beta-aminoisobutyric Acid

bAib

18-3137

<980

15-1039

24-511

11-286

<301

Alpha-amino-n-butyric Acid

Abu

<63

<56

<38

 <30

<31

 <19

Hydroxylysine

Hyl

<150

<57

<34

<26

<31

<12

Proline

Pro

28-2029

<119

<78

<20

<28

<26

Ornithine

Orn

 <265

<70

<44

<17

<18

<25

Cystathionine

Cth

<302

<56

<26

<18

<44

 <30

Cystine

Cys

12-504

11-133

<130

<56

<104

10-98

Lysine

Lys

19-1988

25-743

14-307

17-276

10-240

15-271

Methionine

Met

 <41

<41

<25

 <23

<20

<16

Valine

Val

11-211

11-211

<139

16-91

<75

11-61

Tyrosine

Tyr

39-685

38-479

23-254

22-245

12-208

15-115

Isoleucine

Ile

<86

<78

<62

<34

<28

<22

Leucine

Leu

<200

15-167

12-100

13-73

<62

<51

Phenylalanine

Phe

14-280

34-254

20-150

21-106

11-111

13-70

Tryptophan

Trp

14-315

14-315

10-303

10-303

15-229

18-114

Allo-isoleucine

AlloIle

 <29

 <10

 <8

<8

<8

<7

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