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Phosphate - Blood

Source Blood
Mnemonic PHOS
Specimen Requirements

1 x 3 mL or 4.5 mL light green (mint) top PST tube.  Gold top SST tube also acceptable.

0.2 mL plasma or serum

Minimum Whole Blood Volumes for Microcollections

Specimen Handling
Additional Information
Testing Location Chemistry-ACH, DSC, FMC, PLC, RGH, SHC, SMCHC
Rural: BMSH, CMGH, DDHS, HRH, SDHS
Testing Frequency Daily
Alternate Name(s)
Reference Interval

1 – 30 days

1.60-3.10 mmol/L

1 – 4 months

1.50-2.60 mmol/L

5 – 12 months

1.30-2.20 mmol/L

1 – 4 years

1.10-2.10 mmol/L

5 – 9 years

1.10-2.00 mmol/L

10 – 14 years

1.00-1.90 mmol/L

15 – 19 years

0.90-1.60 mmol/L

20 – 150 years

0.80-1.50 mmol/L

Click here for critical values.