Test Code PHOSS Phosphorus (Inorganic), Serum
Specimen Required
Only orderable as part of profile. For more information see:
-RTRP2 / Tubular Reabsorption of Phosphorus, Random Urine and Serum
-TRPP / Tubular Reabsorption of Phosphorus, Serum/Plasma/Urine
Patient Preparation: Fasting 12 hours, required
Collection Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 0.5 mL serum
Collection Instructions:
1. Serum gel tubes should be centrifuged within 2 hours of collection.
2. Red-top tubes should be centrifuged and the serum aliquoted into a plastic vial within 2 hours of collection.
Secondary ID
622796Useful For
Diagnosis and management of a variety of disorders including bone, parathyroid, and kidney disease
Method Name
Only orderable as part of profile. For more information see:
-RTRP2 / Tubular Reabsorption of Phosphorus, Random Urine and Serum
-TRPP / Tubular Reabsorption of Phosphorus, Serum/Plasma/Urine
Photometric, Ammonium Molybdate
Reporting Name
Phosphorus (Inorganic), SSpecimen Type
SerumSpecimen Minimum Volume
Serum: 0.25 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum | Refrigerated (preferred) | 7 days |
| Frozen | 365 days |
Reject Due To
| Gross hemolysis | Reject |
Reference Values
Only orderable as part of profile. For more information see:
-RTRP2 / Tubular Reabsorption of Phosphorus, Random Urine and Serum
-TRPP / Tubular Reabsorption of Phosphorus, Serum/Plasma/Urine
Males
<1 year: Not established
1-4 years: 4.3-5.4 mg/dL
5-13 years: 3.7-5.4 mg/dL
14-15 years: 3.5-5.3 mg/dL
16-17 years: 3.1-4.7 mg/dL
≥18 years: 2.5-4.5 mg/dL
Females
<1 year: Not established
1-7 years: 4.3-5.4 mg/dL
8-13 years: 4.0-5.2 mg/dL
14-15 years: 3.5-4.9 mg/dL
16-17 years: 3.1-4.7 mg/dL
≥18 years: 2.5-4.5 mg/dL
Day(s) Performed
Monday through Sunday
Report Available
Same day/1 to 3 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
Test Classification
This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| PHOSS | Phosphorus (Inorganic), S | 2777-1 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| PHOSS | Phosphorus (Inorganic), S | 2777-1 |