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Test Code HYOX Hyperoxaluria Panel, Random, Urine

Reporting Name

Hyperoxaluria Panel, U

Useful For

Distinguishing between primary and secondary hyperoxaluria


Distinguishing between primary hyperoxaluria types 1, 2, and 3

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type


Specimen Required

Supplies: Urine Tubes, 10 mL (T068)

Container/Tube: Plastic, 10-mL urine tube

Specimen Volume: 10 mL

Collection Instructions:

1. Collect a random urine specimen.

2. No preservative.

3. Immediately freeze specimen.

Specimen Minimum Volume

1.1 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Urine Frozen (preferred) 90 days
  Refrigerated  14 days

Special Instructions

Reference Values


≤17 years: ≤75 mg/g creatinine

≥18 years: ≤50 mg/g creatinine



≤31 days: ≤75 mg/g creatinine

32 days - 4 years: ≤125 mg/g creatinine

5 - 10 years: ≤55 mg/g creatinine

≥11 years: ≤25 mg/g creatinine



≤6 months: ≤400 mg/g creatinine

7 months - 1 year: ≤300 mg/g creatinine

2 - 6 years: ≤150 mg/g creatinine

7 - 10 years: ≤100 mg/g creatinine

≥11 years: ≤75 mg/g creatinine



≤10 mg/g creatinine

Day(s) Performed


Test Classification

This test was developed, and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the US Food and Drug Administration.

CPT Code Information


LOINC Code Information

Test ID Test Order Name Order LOINC Value
HYOX Hyperoxaluria Panel, U 53710-0


Result ID Test Result Name Result LOINC Value
50592 Glycolate 13751-3
50593 Glycerate 13749-7
50594 Oxalate 13483-3
38049 4-hydroxy-2-oxoglutarate 13678-8
29982 Interpretation 59462-2
29984 Reviewed By 18771-6

Testing Algorithm

See Hyperoxaluria Diagnostic Algorithm in Special Instructions.

Report Available

9 days

Method Name

Gas Chromatography-Mass Spectrometry (GC-MS)


If not ordering electronically, complete, print, and send 1 of the following forms with the specimen:

-Biochemical Genetics Test Request (T798)

-Renal Diagnostics Test Request (T830)