Supersaturation Profile, 24 Hour, Urine
| Abbrev Code: | SSAT24 | ||
| Order Code: | LAB6795 | Order Name: | Supersaturation, 24 Hour, Urine |
| Synonyms: | SAT24; Stone Former Panel; Urorisk; SUP24 | ||
| Methodology: | Varies | ||
| CPT Codes: | 83945 x1, 84300 x1, 84133 x1, 82340 x1, 83735 x1, 82436 x1, 84105 x1, 84392 x1, 83986 x1, 84560 x1, 82570 x1, 83935 x1, 82140 x1, 82507 x1, 84540 x1 | ||
| Test Includes: | Urine sodium, potassium, calcium, magnesium, chloride, phosphorus, uric acid, creatinine, osmolality, pH, oxalate, sulfate and citrate excretion, ammonium, urea nitrogen and protein catabolic rate. | ||
| Turnaround Time: | Specimens are sent to reference laboratory Mon-Fri; results are reported within 5-7 days. | ||
| Special Instructions: | Specimen pH should be between 4.5 and 8, and will stay in this range if kept refrigerated. Specimens with pH >8 indicate bacterial contamination, and testing will be cancelled. Do not attempt to adjust pH as it will adversely affect results. | ||
| Associated Links: | |||
Collection Instructions
| Specimen: | Urine, 24 hour collection |
| Optimal Volume: | 35 mL |
| Minimum\Peds Volume: | 25 mL |
| Container: | Alternate Containers: 3 L plastic jug |
| Collection Instructions: | Note: The addition of preservative or application of temperature controls must occur at the beginning of the collection.
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| Causes for Rejection: | pH greater than 8; collection times less than 24 hours; room temperature specimens; frozen specimens. |
Processing and Shipping
| Shipping Instructions: | Ship at refrigerated temperature. |
| Stability: | 14 days refrigerated |
| Test Performed at or Referral Lab | Lab Sendouts (Mayo Medical Laboratories) |
| Referral Lab number: | SUP24 |
Interpretive
| Reference Range: | SUPERSATURATION REFERENCE MEANS (Delta G: DG) Calcium oxalate: 1.77 DG Brushite: 0.21 DG Hydroxyapatite: 3.96 DG Uric acid: 1.04 DG INDIVIDUAL URINE ANALYTES OSMOLALITY, 24 HOUR, URINE 0-11 months: 50-750 mOsm/kg > or =12 months: 150-1,150 mOsm/kg pH, 24 HOUR, URINE 4.5-8.0 SODIUM, 24 HOUR, URINE > or =18 years: 22-328 mmol/24 hours Reference values have not been established for patients who are less than 18 years of age. POTASSIUM, 24 HOUR, URINE > or =18 years: 16-105 mmol/24 hours Reference values have not been established for patients who are less than 18 years of age. CALCIUM, 24 HOUR, URINE Males: <250 mg/24 hours Females: <200 mg/24 hours Reference values have not been established for patients who are less than 18 years of age. MAGNESIUM, 24 HOUR, URINE 51-269 mg/24 hours Reference values have not been established for patients who are younger than 18 years of age. CHLORIDE, 24 HOUR, URINE > or =18 years: 34-286 mmol/24 hours Reference values have not been established for patients who are younger than 18 years of age. PHOSPHORUS, 24 HOUR, URINE > or =18 years: 226-1,797 mg/24hours Reference values have not been established for patients who are less younger 18 years of age. SULFATE, 24 HOUR, URINE 7-47 mmol/24 hours CITRATE EXCRETION, 24 HOUR, URINE 0-19 years: Not established 20 years: 150-1,191 mg/24 hours 21 years: 157-1,191 mg/24 hours 22 years: 164-1,191 mg/24 hours 23 years: 171-1,191 mg/24 hours 24 years: 178-1,191 mg/24 hours 25 years: 186-1,191 mg/24 hours 26 years: 193-1,191 mg/24 hours 27 years: 200-1,191 mg/24 hours 28 years: 207-1,191 mg/24 hours 29 years: 214-1,191 mg/24 hours 30 years: 221-1,191 mg/24 hours 31 years: 228-1,191 mg/24 hours 32 years: 235-1,191 mg/24 hours 33 years: 242-1,191 mg/24 hours 34 years: 250-1,191 mg/24 hours 35 years: 257-1,191 mg/24 hours 36 years: 264-1,191 mg/24 hours 37 years: 271-1,191 mg/24 hours 38 years: 278-1,191 mg/24 hours 39 years: 285-1,191 mg/24 hours 40 years: 292-1,191 mg/24 hours 41 years: 299-1,191 mg/24 hours 42 years: 306-1,191 mg/24 hours 43 years: 314-1,191 mg/24 hours 44 years: 321-1,191 mg/24 hours 45 years: 328-1,191 mg/24 hours 46 years: 335-1,191 mg/24 hours 47 years: 342-1,191 mg/24 hours 48 years: 349-1,191 mg/24 hours 49 years: 356-1,191 mg/24 hours 50 years: 363-1,191 mg/24 hours 51 years: 370-1,191 mg/24 hours 52 years: 378-1,191 mg/24 hours 53 years: 385-1,191 mg/24 hours 54 years: 392-1,191 mg/24 hours 55 years: 399-1,191 mg/24 hours 56 years: 406-1,191 mg/24 hours 57 years: 413-1,191 mg/24 hours 58 years: 420-1,191 mg/24 hours 59 years: 427-1,191 mg/24 hours 60 years: 434-1,191 mg/24 hours >60 years: Not established OXALATE, 24 HOUR, URINE 0.11-0.46 mmol/24 hours 9.7-40.5 mg/24 hours Reference values have not been established for patients who are younger than 16 years of age. URIC ACID, 24 HOUR, URINE Males: > or =18 years: 200-1,000 mg/24 hours Females: > or =18 years: 250-750 mg/24 hours Reference values have not been established for patients who are younger than 18 years of age. CREATININE, 24 HOUR, URINE Males: > or =18 years: 930-2,955 mg/24 hours Females: > or =18 years: 603-1,783 mg/24 hours Reference values have not been established for patients who are younger than 18 years of age. AMMONIUM, 24 HOUR, URINE 15-56 mmol/24 hour Reference values have not been established for patients who are younger than 18 years or older than 77 years of age. UREA NITROGEN, 24 HOUR, URINE > or =18 years: 7-42 g/24h Reference values have not been established for patients who are younger than 18 years of age. PROTEIN CATABOLIC RATE, 24 HOUR, URINE 56-125 g/24 hours |
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