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HelpTest Code LAB113 Phosphorous
Useful For
- Evaluating phosphorus metabolism and the calcium and phosphorus balance. An increase in the level of phosphorus causes a decrease in the calcium level.
- Increased phosphorous levels can be seen in hypoparathyroidism, vitamin D intoxication and renal failure.
- Decreased phosphorous levels occur in rickets, hyperparathyroidism and Fanconi's syndrome.
Methodology
Molybdate UV
Performing Laboratory
Bozeman Health Laboratory Services
Specimen Requirements
Specimen Type: Plasma or serum
Container/Tube: Light-green top (lithium heparin gel), red top, or gold top
Specimen Volume: 1 mL
Specimen Minimum Volume: 0.5 mL
Specimen Rejection: Hemolyzed samples may be rejected.
Specimen Transport Temperature
Ambient<24 hours/Refrigerated>24 hours
Specimen Stability
| Specimen Type | Temperature | Time |
|---|---|---|
| Plasma or Serum | Ambient | 24 hours |
| Refrigerated | 4 days | |
| Frozen | 1 year |
Reference Values
2.4 - 4.2 mg/dL
Critical values (automatic call-back): <1.0 mg/dL or >8.0 mg/dL
Day(s) Test Set Up
Monday through Sunday
Test Classification and CPT Coding
84100