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Blood Phosphorus (Phosphate) Test

Delaware 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 October 2026.

How much does Blood Phosphorus (Phosphate) Test cost?

$4.90

Typical negotiated rate. In Delaware, October 2026.

Insurers have agreed to pay about $4.90 for this service. The price depends on where it is billed: about $4.37 from a physician practice, and about $10.23 from a hospital or other facility.

Few insurers publish rates for this combination, so treat this figure as a rough guide.

These are rates insurers have negotiated with providers, not the amount a patient is billed. What you owe depends on your plan's deductible and coinsurance. Based on rates published by 4 insurance carriers under federal price transparency rules.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$4.37$2.88 to $5.89
FacilityA hospital or hospital-owned outpatient department$10.23$4.79 to $31.62

How much rates vary

Facilitymedian $10 · 10th to 90th $4 to $78Professionalmedian $4 · 10th to 90th $3 to $9
$2$5$10$20$50facility $10professional $4

Distribution of negotiated rates across all payers (price axis is log-scale). Small sample; interpret with caution. Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Facility
Modifier
None
Typical Low
$3.89
Median
$4.90
Typical High
$12.59
Aetna
Setting
Professional
Modifier
None
Typical Low
$3.72
Median
$4.90
Typical High
$6.61
Cigna
Setting
Facility
Modifier
None
Typical Low
$3.09
Median
$3.09
Typical High
$8.51
Cigna
Setting
Professional
Modifier
None
Typical Low
$2.82
Median
$5.75
Typical High
$32.36
Highmark BCBS
Setting
Facility
Modifier
None
Typical Low
$4.79
Median
$31.62
Typical High
$77.62
Highmark BCBS
Setting
Professional
Modifier
None
Typical Low
$3.55
Median
$3.55
Typical High
$3.55
United
Setting
Professional
Modifier
None
Typical Low
$2.00
Median
$2.82
Typical High
$6.61

Where Delaware sits

The same service costs 11.7 times more in Vermont than in Maryland. Every bar is a state, most expensive first. Touch or drag across it to read any state, then open that state for its carriers and full range.

Delaware· 30th of 51

$4.90

VT $41.69MD $3.55

Median negotiated rate in each state, from every insurer that publishes one. States where no insurer publishes a rate for this service are not shown.