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HelpTest Code Billings Clinic: 4150 Calcium, Random, Urine
Performing Laboratory
Billings Clinic Laboratory: Chemistry
Useful For
Identification of abnormal physiologic states causing excess or suppressed excretion of calcium (such as hyperparathyroidism), vitamin D abnormality, diseases that destroy bone, prostate cancer, and drug treatment (such as thiazide therapy)
Methodology
O-cresolphthalein complexone (OCPC)
Specimen Requirements
10 mL from a random urine collection in a urine container.
Storage/Stability
| Specimen Type | Temperature | Time |
| Urine | Refrigerated (preferred) | 4 days |
| Frozen | 3 weeks | |
| Ambient | 2 days |
Reference Values
Not established
Day(s) Test Set Up
Daily
Test Classification and CPT Coding
82310 - Calcium;total
LOINC Code Information
| Reporting Name | LOINC Code |
| Calcium, Ur, Random | 17862-4 |