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HelpTest Code HYOX Hyperoxaluria Panel, Random, Urine
Necessary Information
1. Patient age is required.
2. Biochemical Genetics Patient Information (T602) is recommended, but not required, to be filled out and sent with the specimen to aid in the interpretation of test results.
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.
CMH COLLECTION: 2 mL urine in a sterile cup
Specimen Minimum Volume
1.1 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Urine | Frozen (preferred) | 90 days | |
| Refrigerated | 14 days |
Testing Algorithm
For more information see Hyperoxaluria Diagnostic Algorithm.
Useful For
Distinguishing between primary and secondary hyperoxaluria
Distinguishing between primary hyperoxaluria types 1, 2, and 3
Reject Due To
All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.Day(s) Performed
Wednesday
Report Available
3 to 9 daysReporting Name
Hyperoxaluria Panel, UReference Values
GLYCOLATE
≤17 years: ≤75 mg/g creatinine
≥18 years: ≤50 mg/g creatinine
GLYCERATE
≤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
OXALATE
≤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
4-HYDROXY-2-OXOGLUTARATE (HOG)
≤10 mg/g creatinine
Method Name
Gas Chromatography Mass Spectrometry (GC-MS)
Performing Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
82542