Phosphorus, Timed Urine
| Abbrev Code: | UPHOST | ||
| Order Code: | LAB426 | Order Name: | Phosphorus Timed Urine |
| Methodology: | Molybdate UV | ||
| CPT Codes: | 84105 x1, 84105 x1, 81050 x1, 81050 x1 | ||
| Test Includes: | Phosphorus urine mg/dL; phosphorus urine g/spec; duration in hours, volume in mL, Creatinine urine timed g/spec | ||
| Turnaround Time: | Performed and reported 24 hours/day. | ||
| Associated Links: | |||
Collection Instructions
| Specimen: | Urine, timed collection (20-28 hours) |
| Optimal Volume: | Submit entire collection; analysis requires 1 mL |
| Container: | 3 L plastic jug |
| Collection Instructions: | Collection of 24 hour urine specimen should be made in a container with 10-20 mL of 6M HCl. Container without preservatives is acceptable. See processing note below. |
Processing and Shipping
| Specimen Processing: | Mix collection well before aliquot is taken. Aliquot 5 mL, 1 mL minimum. If preservatives are not used during 24 hour urine collection; acidify the sample to below 3.0 pH before analysis. Store in refrigerator. |
| Shipping Instructions: | Ship at refrigerated temperature. |
| Stability: | To be determined by M Health Fairview. Store cooled during collection. Centrifuge samples containing precipitates before performing the assay. |
| Test Performed at or Referral Lab | Chemistry (Roche-UMMC East) |
Interpretive
| Reference Range: | Urine Chemistry Reference Ranges |
| Use: | Evaluate phosphorus metabolism. |
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