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Blood Phosphorus (Phosphate) Test

California rates for HCPCS 84100

Measures the amount of phosphate, a mineral the body uses for bone strength, energy production and cell function, in a blood sample. Levels drift when the kidneys are not clearing phosphate properly, when the parathyroid glands are over- or under-active, or when vitamin D is out of balance, so it is usually read alongside calcium. Measuring phosphate in a urine sample is a separate test.

Rates data updated July 2026.

Facilitymedian $42 · 10th–90th $8$1410%5%10%10th90th$42Professionalmedian $6 · 10th–90th $4$290%20%10th90th$6$2.0$10.0$50.0$200.0$1.0K$5.0K$20.0K

Distribution of negotiated rates across all payers (price axis is log-scale). Facility and professional rates are different services and are charted separately. Need provider-level prices? Contact us.

Insurance Carrier
Aetna
Setting
Facility
Modifier
Global
Typical Low
$10.47
Median
$54.95
Typical High
$154.88
Aetna
Setting
Professional
Modifier
Global
Typical Low
$3.80
Median
$5.62
Typical High
$29.51
Ambetter
Setting
Professional
Modifier
Global
Typical Low
$1.58
Median
$2.34
Typical High
$4.27
Anthem BCBS
Setting
Facility
Modifier
Global
Typical Low
$2.75
Median
$12.02
Typical High
$23.99
Anthem BCBS
Setting
Professional
Modifier
Global
Typical Low
$2.34
Median
$3.98
Typical High
$13.80
Blue Shield
Setting
Facility
Modifier
Global
Typical Low
$11.22
Median
$38.90
Typical High
$67.61
Blue Shield
Setting
Professional
Modifier
Global
Typical Low
$3.80
Median
$5.37
Typical High
$13.49
Cigna
Setting
Facility
Modifier
Global
Typical Low
$3.63
Median
$8.32
Typical High
$17.38
Cigna
Setting
Professional
Modifier
Global
Typical Low
$2.88
Median
$5.75
Typical High
$11.75
Contra Costa Health
Setting
Professional
Modifier
Global
Typical Low
$4.17
Median
$4.79
Typical High
$7.59
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$3.80
Median
$4.79
Typical High
$10.96
Lucent Health
Setting
Facility
Modifier
Global
Typical Low
$60.26
Median
$60.26
Typical High
$100.00
Lucent Health
Setting
Professional
Modifier
Global
Typical Low
$4.27
Median
$6.61
Typical High
$14.13
Molina
Setting
Professional
Modifier
Global
Typical Low
$2.82
Median
$2.82
Typical High
$5.75
Providence
Setting
Facility
Modifier
Global
Typical Low
$4.07
Median
$5.75
Typical High
$14.13
Providence
Setting
Professional
Modifier
Global
Typical Low
$2.88
Median
$4.37
Typical High
$11.22
Sutter Health Plus
Setting
Professional
Modifier
Global
Typical Low
$16.60
Median
$16.60
Typical High
$16.60
The Alliance
Setting
Professional
Modifier
Global
Typical Low
$3.80
Median
$4.79
Typical High
$8.13
United
Setting
Facility
Modifier
Global
Typical Low
$2.00
Median
$3.55
Typical High
$10.47
United
Setting
Professional
Modifier
Global
Typical Low
$2.00
Median
$2.82
Typical High
$12.59