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Phosphorus, Plasma or Serum
Test CodePHO
CPT Codes
84100
Preferred Specimen
Submit only 1 of the following specimens:
Plasma
Draw blood in a green-top (lithium heparin) tube. Spin specimen
down and send 1 mL of plasma.
Note: 1. Indicate plasma.
2. Label specimen appropriately (plasma).
Serum
Draw blood in a plain, red-top tube. Spin specimen down and send
1 mL of serum.
Note: 1. Indicate serum.
2. Label specimen appropriately (serum).
Plasma
Draw blood in a green-top (lithium heparin) tube. Spin specimen
down and send 1 mL of plasma.
Note: 1. Indicate plasma.
2. Label specimen appropriately (plasma).
Serum
Draw blood in a plain, red-top tube. Spin specimen down and send
1 mL of serum.
Note: 1. Indicate serum.
2. Label specimen appropriately (serum).
Transport Temperature
Refrigerate
Methodology
Colorimetric
Setup Schedule
Monday through Sunday
Reference Range
Males
0-1 month: 3.9-6.9 µg/dL
1 month-1 year: 3.5-6.6 µg/dL
1-4 years: 3.9-6.5 µg/dL
4-7 years: 4.0-5.4 µg/dL
7-10 years: 3.7-5.6 µg/dL
10-12 years: 3.7-5.6 µg/dL
12-14 years: 3.3-5.4 µg/dL
14-16 years: 2.9-5.4 µg/dL
16-19 years: 2.8-4.6 µg/dL
>19 years: 2.5-4.5 µg/dL
Critical Value
>19 years: ≤ 0.9 µg/dL
Females
0-1 month: 4.3-7.7 µg/dL
1 month-1 year: 3.7-6.5 µg/dL
1-4 years: 3.9-6.5 µg/dL
4-7 years: 4.0-5.4 µg/dL
7-10 years: 3.7-5.6 µg/dL
10-12 years: 3.7-5.6 µg/dL
12-14 years: 3.3-5.4 µg/dL
14-16 years: 2.9-5.4 µg/dL
16-19 years: 2.8-4.6 µg/dL
>19 years: 2.5-4.5 µg/dL
Critical Value
>19 years: ≤ 0.9 µg/dL
Performed By
North Mississippi Medical Center Pathology Department
Performing Laboratory
NMMC Pathology Department
