Children's Mercy Hospitals and Clinics
Name
Phosphorus, Serum

Synonyms
Inorganic Phosphorus

CMH Lab Section
Chemistry

Specimen Requirements
0.2 ml of blood in a mint green or red top w/ yellow ring gel tube

Availability
Stat, Urgent, Routine

Turn Around Time
Stat: 1 hr Routine: 2-4 hrs

Methodology
Vitros

Ranges
Age Dependent
0 - 1 day: 4.2 - 9.0 mg/dL
1day-2yrs: 4.2 - 7.0
2- 4yrs:3.5 - 6.8
4- 6yrs: 3.1 - 6.3
6- 12yrs : 3.0 - 6.0
12- 14 years: 2.5 - 5.0
>14yrs: 2.3 - 4.8

Critical <2.0 mg/dL

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