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Insulin-Like Growth Factor 1 (IGF-1) Test

Washington, DC rates for HCPCS 84305

This blood test measures IGF-1, a substance the liver produces in response to growth hormone. Because IGF-1 levels stay more stable throughout the day than growth hormone itself, this test is a useful way to evaluate whether the body is producing too much or too little growth hormone.

Rates data updated July 2026.

How much does Insulin-Like Growth Factor 1 (IGF-1) Test cost?

$15.85

Typical negotiated rate. In Washington, DC, July 2026.

Insurers have agreed to pay about $15.85 for this service. The price depends on where it is billed: about $15.85 from a physician practice, and about $64.57 from a hospital or other facility. The two figures are alternatives, not parts of one bill.

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 5 insurance carriers under federal price transparency rules.

Where it's billed changes the price

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$15.85$15.85 to $15.85
FacilityA hospital or hospital-owned outpatient department$64.57$36.31 to $120

How much rates vary

Facilitymedian $65 · 10th to 90th $16 to $129Professionalmedian $16 · 10th to 90th $16 to $60
$10$20$50$100$200facility $65professional $16

Distribution of negotiated rates across all payers (price axis is log-scale). Each curve is scaled to its own total: facility and professional rates are different services, shown together to compare where they cluster. Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Facility
Modifier
Global
Typical Low
$15.85
Median
$64.57
Typical High
$128.82
Aetna
Setting
Professional
Modifier
Global
Typical Low
$15.85
Median
$15.85
Typical High
$15.85
CareFirst
Setting
Professional
Modifier
Global
Typical Low
$50.12
Median
$87.10
Typical High
$234.42
Cigna
Setting
Facility
Modifier
Global
Typical Low
$34.67
Median
$36.31
Typical High
$81.28
Cigna
Setting
Professional
Modifier
Global
Typical Low
$11.75
Median
$24.55
Typical High
$165.96
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$41.69
Median
$41.69
Typical High
$43.65
United
Setting
Facility
Modifier
Global
Typical Low
$12.59
Median
$25.70
Typical High
$66.07
United
Setting
Professional
Modifier
Global
Typical Low
$8.91
Median
$12.88
Typical High
$29.51

Where Washington, DC sits

The same service costs 3.4 times more in Nebraska than in Washington, DC. 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.

Washington, DC· 51st of 51

$15.85

NE $53.70DC $15.85

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.