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HelpTest 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.
Useful For
Diagnosis and management of a variety of disorders including bone, parathyroid, and kidney disease
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 daysSpecimen Retention Time
1 weekPerforming Laboratory
Mayo Clinic Laboratories in Rochester
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 |