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Phosphate

A phosphate in blood test measures the amount of phosphate in a sample of your blood. Phosphate contains the mineral phosphorus. So, a phosphate test is sometimes called a phosphorus test.

Source: MedlinePlus, U.S. National Library of Medicine

Normal range

35 published ranges, each from a named source
Normal
3–4.5 mg/dL
Female · 18 y+
2.5–4.5 mg/dL
Female · 19 y+
3–4.3 mg/dL
Male · 18 y+
2.5–4.5 mg/dL
Male · 19 y+
2.8–4.1 mg/dL
Ranges from American Board of Internal Medicine (Laboratory Test Reference Ranges), LabCorp Test Directory, Laboratorium Medyczne Synevo (test catalog, synevo.pl), Mayo Clinic Laboratories (Pediatric Test Catalog).

All source ranges (35)
SourceSexAgeRange
American Board of Internal Medicine (Laboratory Test Reference Ranges) All all ages 3–4.5 mg/dL
LabCorp Test Directory Female ≤ 6 mo 3.4–7.9 mg/dL
LabCorp Test Directory Female 7 mo – 1 y 4–6.8 mg/dL
LabCorp Test Directory Female 2 y – 19 y 3.3–5.1 mg/dL
LabCorp Test Directory Female 19 y+ 3–4.3 mg/dL
LabCorp Test Directory Male ≤ 6 mo 4.2–7.8 mg/dL
LabCorp Test Directory Male 7 mo – 1 y 4–6.8 mg/dL
LabCorp Test Directory Male 2 y – 19 y 3.4–5.5 mg/dL
LabCorp Test Directory Male 19 y+ 2.8–4.1 mg/dL
Mayo Clinic Laboratories (Pediatric Test Catalog) Female 1 y – 7 y 4.3–5.4 mg/dL
Mayo Clinic Laboratories (Pediatric Test Catalog) Female 8 y – 13 y 4–5.2 mg/dL
Mayo Clinic Laboratories (Pediatric Test Catalog) Female 14 y – 15 y 3.5–4.9 mg/dL
Mayo Clinic Laboratories (Pediatric Test Catalog) Female 16 y – 17 y 3.1–4.7 mg/dL
Mayo Clinic Laboratories (Pediatric Test Catalog) Female 18 y+ 2.5–4.5 mg/dL
Mayo Clinic Laboratories (Pediatric Test Catalog) Male 1 y – 4 y 4.3–5.4 mg/dL
Mayo Clinic Laboratories (Pediatric Test Catalog) Male 5 y – 13 y 3.7–5.4 mg/dL
Mayo Clinic Laboratories (Pediatric Test Catalog) Male 14 y – 15 y 3.5–5.3 mg/dL
Mayo Clinic Laboratories (Pediatric Test Catalog) Male 16 y – 17 y 3.1–4.7 mg/dL
Mayo Clinic Laboratories (Pediatric Test Catalog) Male 18 y+ 2.5–4.5 mg/dL
Laboratorium Medyczne Synevo (test catalog, synevo.pl) Female 1 d – 30 d 4.3–7.7 mg/dL
Laboratorium Medyczne Synevo (test catalog, synevo.pl) Female 30 d – 1 y 3.7–6.5 mg/dL
Laboratorium Medyczne Synevo (test catalog, synevo.pl) Female 1 y – 3 y 3.4–6 mg/dL
Laboratorium Medyczne Synevo (test catalog, synevo.pl) Female 3 y – 6 y 3.2–5.5 mg/dL
Laboratorium Medyczne Synevo (test catalog, synevo.pl) Female 6 y – 9 y 3.1–5.5 mg/dL
Laboratorium Medyczne Synevo (test catalog, synevo.pl) Female 9 y – 12 y 3.3–5.3 mg/dL
Laboratorium Medyczne Synevo (test catalog, synevo.pl) Female 12 y – 15 y 2.8–4.8 mg/dL
Laboratorium Medyczne Synevo (test catalog, synevo.pl) Female 15 y – 18 y 2.5–4.8 mg/dL
Laboratorium Medyczne Synevo (test catalog, synevo.pl) Female 18 y+ 2.5–4.5 mg/dL
Laboratorium Medyczne Synevo (test catalog, synevo.pl) Male 1 d – 30 d 3.9–6.9 mg/dL
Laboratorium Medyczne Synevo (test catalog, synevo.pl) Male 1 y – 3 y 3.4–6 mg/dL
Laboratorium Medyczne Synevo (test catalog, synevo.pl) Male 3 y – 6 y 3.2–5.5 mg/dL
Laboratorium Medyczne Synevo (test catalog, synevo.pl) Male 6 y – 9 y 3–5.4 mg/dL
Laboratorium Medyczne Synevo (test catalog, synevo.pl) Male 9 y – 12 y 3.3–5.3 mg/dL
Laboratorium Medyczne Synevo (test catalog, synevo.pl) Male 12 y – 15 y 2.9–5.1 mg/dL
Laboratorium Medyczne Synevo (test catalog, synevo.pl) Male 15 y – 18 y 2.7–4.9 mg/dL

What an abnormal result can be associated with

A high result
Hyperphosphatemia
A low result
Hypophosphatemia
Associations from LOINC2HPO (Human Phenotype Ontology). This is reference information, not a diagnosis: only a clinician can interpret your result in context.
details
Sample
Serum or plasma · LOINC
Part of
Renal function panel
Listed under
Parathyroid Disorders
Code
LOINC 2777-1 · mg/dL
Also known as
PO4, Phosphate total, Phosphorous, Phosphorus, Phosphrous
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