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Cystinuria Panel

CYS PAN
Example Reports
Abnormal
Normal

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Supplemental Resources

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Biochemical Genetic Testing Patient History Form

Ordering Recommendation

Initial test to diagnose or rule out cystinuria.

New York DOH Approval Status

This test is New York state approved.

Specimen Required

Patient Preparation
Collect

Random urine. Avoid dilute urine when possible.

Specimen Preparation

Mix urine well. Transfer 8 mL urine to ARUP Standard Transport Tubes and freeze immediately. (Min: 3 mL)

Storage/Transport Temperature

CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.

Unacceptable Conditions

Refrigerated or room temperature specimens.

Remarks

Clinical information is needed for appropriate interpretation.  Additional required information includes age, gender, diet (eg, TPN therapy), drug therapy, and family history. Biochemical Genetics Patient History Form is available on the ARUP web site or by contacting ARUP Client Services.

Stability

Ambient: Unacceptable; Refrigerated: Unacceptable; Frozen: 1 month

Methodology

Quantitative Liquid Chromatography-Tandem Mass Spectrometry

Performed

Sun-Sat

Reported

3-7 days

Reference Interval

Effective November 18, 2019

Test Number
 Components
 Reference Interval
  Arginine, Urine
Age Reference Interval
0-2 months Less than or equal to 470 µmol/g creatinine
3-11 months Less than or equal to 340 µmol/g creatinine
1-2 years Less than or equal to 390 µmol/g creatinine
3-5 years Less than or equal to 270 µmol/g creatinine
6-11 years Less than or equal to 160 µmol/g creatinine
12 years and older Less than or equal to 100 µmol/g creatinine

  Cystine, Urine - Quantitative
Age Reference Interval
0-2 months Less than or equal to 870 µmol/g creatinine
3-11 months Less than or equal to 300 µmol/g creatinine
1-2 years Less than or equal to 150 µmol/g creatinine
3-5 years Less than or equal to 125 µmol/g creatinine
6-11 years Less than or equal to 100 µmol/g creatinine
12 years and older Less than or equal to 150 µmol/g creatinine

  Lysine, Urine
Age Reference Interval
0-2 months 120-2270 µmol/g creatinine
3-11 months 55-1260 µmol/g creatinine
1-2 years 45-930 µmol/g creatinine
3-5 years 40-475 µmol/g creatinine
6-11 years 25-440 µmol/g creatinine
12 years and older Less than or equal to 355 µmol/g creatinine

  Ornithine, Urine
Age Reference Interval
0-2 months Less than or equal to 475 µmol/g creatinine
3-11 months Less than or equal to 150 µmol/g creatinine
1-2 years Less than or equal to 70 µmol/g creatinine
3 years and older Less than or equal to 30 µmol/g creatinine

Interpretive Data

This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the US Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes.

Compliance Category

Laboratory Developed Test (LDT)

Note

Hotline History

N/A

CPT Codes

82136

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Components

Component Test Code* Component Chart Name LOINC
0080601 Arginine, Urine 30062-4
0080615 Lysine, Urine 30048-3
0080617 Ornithine, Urine 30049-1
0080952 Amino Acids, Urine Interpretation 49248-8
0081107 Cystine, Urine - Quantitative 56677-8
3002334 Creatinine, Urine 2161-8
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.

Aliases

  • Urine Amino Acids
  • urine arginine
  • Urine Cystine
  • urine lysine
  • urine ornithine
Cystinuria Panel