Reference Interval:
| Test Number
| Components
| Reference Interval
| | | Calcium, Urine
| Calcium-free diet: 5-40 mg/d
Low calcium diet (800 mg/d or less): 50-150 mg/d
Average calcium diet (about 800 mg/d): 100-250 mg/d
High calcium diet (800 mg/d or greater): > 250 mg/d
| | | Citric Acid, Urine
| 18 years and older: 320-1240 mg/d
| | 0020473 | Creatinine, 24-Hour Urine
| | Age
| Male
| Female
| | 3-8 years
| 140-700 mg/d
| 140-700 mg/d
| | 9-12 years
| 300-1300 mg/d
| 300-1300 mg/d
| | 13-17 years
| 500-2300 mg/d
| 400-1600 mg/d
| | 18-50 years
| 1000-2500 mg/d
| 700-1600 mg/d
| | 51-80 years
| 800-2100 mg/d
| 500-1400 mg/d
| | 81 years and older
| 600-2000 mg/d
| 400-1300 mg/d
|
| | | Oxalate, Urine | 0-12 years: 13-38 mg/d
Male 13 years and older: 7-44 mg/d
Female 13 years and older: 4-31 mg/d
| | | Uric Acid, Urine
| 250-750 mg/d
|
|
| Interpretive Data: |
Oxalate, Urine: Reference intervals for random urine samples (mg/L) are not available.
|
| CPT Code(s): |
82507 Citric acid; 83945 Oxalate; 84560 Uric acid; 82340 Calcium
|
Cross References: |
Renal Stone Risk Panel (Kidney Stone Risk Panel, Urine) |
|