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

34.5mg/dL →normal
Normal
3–4.5 mg/dL
Female · ≤ 6 mo
3.4–7.9 mg/dL
Female · 1 y – 7 y
4.3–5.4 mg/dL
Female · 14 y – 15 y
3.5–4.9 mg/dL
Female · 16 y – 17 y
3.1–4.7 mg/dL
Female · 18 y+
2.5–4.5 mg/dL
Female · 19 y+
3–4.3 mg/dL
Female · 2 y – 19 y
3.3–5.1 mg/dL
Female · 7 mo – 1 y
4–6.8 mg/dL
Female · 8 y – 13 y
4–5.2 mg/dL
Male · ≤ 6 mo
4.2–7.8 mg/dL
Male · 1 y – 4 y
4.3–5.4 mg/dL
Male · 14 y – 15 y
3.5–5.3 mg/dL
Male · 16 y – 17 y
3.1–4.7 mg/dL
Male · 18 y+
2.5–4.5 mg/dL
Male · 19 y+
2.8–4.1 mg/dL
Male · 2 y – 19 y
3.4–5.5 mg/dL
Male · 5 y – 13 y
3.7–5.4 mg/dL
Male · 7 mo – 1 y
4–6.8 mg/dL

Ranges from American Board of Internal Medicine (Laboratory Test Reference Ranges), LabCorp Test Directory, Mayo Clinic Laboratories (Pediatric Test Catalog).

All 19 source ranges

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
Phosphorus, Phosphorous, i Phos, PO4, Phosphate total