Amino Acids, Random Urine


Sunquest Code:UAAR; UAA1R; UAA25R  
Epic Code:LAB3803Epic Name:Amino Acids Random Urine
Order Instructions:If a single amino acid is requested, order with code UAA1R; If 2-5 amino acids are requested, order UAA25R. Specify amino acids required. If panel is requested, order UAAR.
Synonyms:AA; Alanine; B-alanine; A-aminoadipic Acid; B-aminoisobutyric Acid; Anserine; Arginine; Argininosuccinic Acid; Asparagine; Aspartic Acid; Carnosine; Citrulline; Half-cystine; Cystathionine; Glutamic Acid; Glutamine; Glycine; Histidine; Homocystine; Hydroxylysine; Hydroxyproline; Isoleucine; Leucine; Lysine; Methionine; 1-methylhistidine; 3-methylhistidine; Ornithine; Phenylalanine; Proline; Sarcosine; Serine; Taurine; Threonine; Tyrosine; Valine
Methodology:High performance ion exchange liquid chromatography
CPT Code:82131, 82136, 82139
Test Includes:Alanine, B-alanine, A-aminoadipic acid, B-aminoisobutyric acid, anserine, arginine, argininosuccinic acid, asparagine, aspartic acid, carnosine, citrulline, half-cystine, cystathionine, glutamic acid, glutamine, glycine, histidine, homocystine, hydroxylysine, hydroxyproline, isoleucine, leucine, lysine, methionine, 1-methylhistidine, 3-methylhistidine, ornithine, phenylalanine, proline, sarcosine, serine, taurine, threonine, tyrosine, valine, and urine creatinine.
Turnaround Time:Performed Mon-Fri; results are reported the next day.
Special Instructions:Provide clinical history and specify amino acid(s) desired on request form.
Associated Links:

Urine Collection Procedure



Collection Instructions

Specimen:Urine, random collection
Optimal Volume:Submit entire collection; analysis requires 1 mL minimum


Processing and Shipping

Specimen Processing:Aliquot 5 mL, 1 mL minimum. Room temperature or refrigerated samples must arrive at Biochemical Genetics within 2 hours of collection (preferred). Alternately, store specimen in the freezer and ship on ice.
Test Performed at or Referral Lab Biochemical Genetics  (UMMC-East Bank)


Interpretive

Reference Range:

An interpretation of the report can be ordered/requested.

 

Urine, Random Collection  (umol/g creatinine)

 

0-21 d

21-90 d

3 m-3 y

3-12 y

>12 y

Alanine

238-2742

327-2993

98-2078

70-1486

66-452

A-aminoadipic

0-253

0-317

0-372

0-288

0-84

Arginine

20-274

0-254

0-96

16-67

0-31

Asparagine

0-1494

0-1546

0-1268

0-749

0-285

Aspartic acid

0-443

0-439

0-223

0-138

 

Citrulline

0-140

0-188

0-124

0-75

0-54

Cystathionine

0-322

0-129

0-110

0-70

0-34

Half-Cystine

89-1795

48-849

39-415

47-266

32-185

Ethanolomine

0-3468

0-2463

0-1448

0-1297

 

Glutamine

162-3132

30-4632

256-3227

140-1946

96-673

Glutamic acid

0-207

0-218

0-147

0-80

0-29

Glycine

1013-23618

1020-22194

645-6757

378-5417

275-3479

Histidine

0-2741

0-4391

0-3906

0-3283

0-1551

Hydroxylysine

0-190

0-806

0-101

0-60

 

Hydroxyproline

0-3530

0-4613

 

 

 

Isoleucine

0-227

0-206

0-259

0-175

Present

Leucine

0-194

16-300

18-220

17-150

4-55

Lysine

117-2221

97-2015

12-600

19-539

10-370

Methionine

0-855

0-904

0-644

0-191

0-100

1-Methylhistidine

0-221

0-53

0-364

0-400

0-1127

3-Methylhistidine

0-599

0-357

0-607

0-568

0-309

Ornithine

0-291

0-343

0-108

0-82

0-28

Phenylalanine

27-260

58-293

14-342

13-195

16-71

Proline

143-2203

0-1537

0-390

0-44

0-0

Serine

309-4341

27-3652

107-2167

72-1425

136-645

Taurine

0-5031

0-3835

0-2854

0-1462

0-1476

Threonine

0-1277

0-1454

0-923

0-870

0-387

Tyrosine

0-949

0-1210

0-934

0-630

0-158

Valine

0-400

0-163

0-203

0-116

0-46

An interpretation of report can be requested.

 

Use:Abnormalities in urine amino acid concentrations may reflect elevations in the plasma. Urine cystine is diagnostic for cystinuria.


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