Calcium, Urine, Timed
Test Mnemonic
UCALTM
CPT Codes
- 82340 - QTY (1)
LOINC ®
35675-8
Performing Laboratory
Cleveland Clinic Laboratories
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 5 mL | Urine, timed (well-mixed) | Clean container | Refrigerate during collection. | Refrigerated | Indicate urine volume and hours of collection. |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 2 mL |
Stability
| Environmental Condition | Description |
|---|---|
| Ambient | 2 days |
| Refrigerated | 4 days |
| Frozen | 3 weeks |
Days Performed
Mon - Fri
Turnaround Time
8 hours
Methodology
| Name | Description |
|---|---|
| O-Cresolphthalein Complexone |
Reference Range
| Calcium, Urine, Timed | |||||
|---|---|---|---|---|---|
| Sex | Age From | Age To | Type | Range | Range Unit |
| Years | 99 Years | Normal | 4.2 -12.5 (May vary with diet) | mg/hr |
Special Info
Refrigerate during collection. Indicate hours of collection.
Clinical Info
Evaluation of calcium metabolism