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HelpTest Code HYOX Hyperoxaluria Panel, Random, Urine
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Specimen Type
UrineNecessary 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.
Specimen Minimum Volume
1.1 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Urine | Frozen (preferred) | 90 days | |
| Refrigerated | 14 days |
Reference 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
Day(s) Performed
Wednesday
CPT Code Information
82542
Genetics Test Information
Primary hyperoxalurias, classified into types 1, 2, and 3, are genetic disorders of oxalate metabolism characterized by increased urinary excretion of oxalic acid and kidney stone formation.
Secondary hyperoxaluria is an acquired condition resulting from either increased intake of dietary oxalate or altered intestinal oxalate absorption.