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HelpTest Code CA-RU Calcium, Urine Random
Useful For
Useful for monitoring of Urine Calcium
Synonyms/Keywords
Urine Calcium, Calcium-Random
Specimen Requirements
| Fasting Required | Specimen Type | Preferred Container/Tube | Acceptable Container/Tube | Specimen Volume | Specimen Minimum Volume (allows for 1 repeat) |
Pediatric Minimum Volume (no repeat) |
|---|---|---|---|---|---|---|
| No | Urine, random | 50 mg sulfamic acid aliquot tube | Tube or sage container and acidify with dilute hydrochloric acid to a pH <5 | 5 mL | 2 mL | 1 mL |
Collection/Processing Instructions
Adjust urine pH to < 5 with sulfamic acid or dilute hydrochloric acid.
Acceptable, but not preferred: collect without preservative, keep refrigerated. Acidify upon arrival to lab and prior to analysis.
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Urine | Refrigerate | 14 days |
Rejection Criteria
Less than 1 mL volume
Interpretations
Low total Calcium (hypocalcemia) values are seen in osteomalacia, hypomagnesemia, vitamin D deficiency, hypoparathyroidism, steatorrhea, nephrosis, nephritis, and hepatocellular or renal parenchymal disease.
Elevated total Calcium (hypercalcemia) may be seen in: hyperparathyroidism, hypervitaminosis D, bone neoplasms, Milk-alkali syndrome (increased mild intake of calcium with antacids), sarcoidosis, thyrotoxicosis and polycemia vera.
Reference Range Information
| Performing Location | Reference Range |
|---|---|
| Marshfield | No normals established |
Marshfield Labs Performing Department
Marshfield Labs Chemistry
Performing Information
| Performing Location | Day(s) Test Performed | Analytical Time | Methodology/Instrumentation |
|---|---|---|---|
| Marshfield | Monday through Sunday | Less than 2 hours | Arsenazo III Endpoint Assay/Beckman AU |
CPT Codes
| CPT | Modifier (if needed) |
Quantity | Description | Comments |
|---|---|---|---|---|
| 82310 |
Outreach CPT Codes
| CPT | Modifier (if needed) |
Quantity | Description | Comments |
|---|---|---|---|---|
| 82310 |
Ordering Applications
| Ordering Application | Description |
|---|---|
| Cerner | Calcium Level Urine |