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HelpTest Code PHOS Phosphorus, LAB113
Performing Laboratory
St. Luke's Hospital Cedar Rapids
Specimen Requirements
Container/Tube:
Preferred: Green-top (heparin) tube-Hemolyzed specimen is not acceptable.
Acceptable: Gold-top serum gel tube, plain red-top tube, EDTA plasma
Specimen Volume: A minimum volume of 1.6 µL plus a dead volume is required for testing.
Stability: Specimen stability is 24 hours at 15-25 ⁰C, 4 days at 2-8 ⁰C or 1 year at -15 to -25 ⁰C.
Reference Values
|
Age |
Male (mg/dL) |
Female (mg/dL) |
Critical Low (mg/dL) |
Critical High (mg/dL) |
|
1-31 Days |
3.9-6.9 |
4.3-7.7 |
<1.0 |
>9.0 |
|
1-12 Months |
3.5-6.6 |
3.7-6.5 |
<1.0 |
>9.0 |
|
1-4 Years |
3.1-6.0 |
3.4-6.0 |
<1.0 |
>9.0 |
|
4-7 Years |
3.3-5.6 |
3.2-5.5 |
<1.0 |
>9.0 |
|
10-13 Years |
3.0-5.4 |
2.8-4.8 |
<1.0 |
>9.0 |
|
13-16 Years |
2.9-5.1 |
2.8-4.8 |
<1.0 |
>9.0 |
|
16-19 Years |
2.7-4.9 |
2.5-4.8 |
<1.0 |
>9.0 |
|
19+ Years |
2.5-4.5 |
2.5-4.5 |
<1.0 |
>9.0 |
Day(s) Test Set Up
Monday through Sunday
Useful For
Measurements of inorganic phosphorus are used in the diagnosis and treatment of various disorders, including parathyroid gland and kidney diseases, and vitamin D imbalance.
Methodology
Phosphomolybdate/Ultraviolet
Test Classification and CPT Coding
84100
Report Available
STAT within 1 hour of receipt
Routine within 2 hours of receipt