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

Maryland 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 October 2026.

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

$15.85

Typical negotiated rate. In Maryland, October 2026.

Insurers have agreed to pay about $15.85 for this service. Most negotiated rates run $13.49 to $16.98.

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 6 insurance carriers under federal price transparency rules.

How much rates vary

Facilitymedian $16 · 10th to 90th $14 to $28Professionalmedian $16 · 10th to 90th $11 to $23
$10$20$50facility $16professional $16

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
$15.85
Median
$25.70
Typical High
$31.62
Aetna
Setting
Professional
Modifier
None
Typical Low
$11.75
Median
$15.85
Typical High
$19.50
CareFirst
Setting
Professional
Modifier
None
Typical Low
$15.49
Median
$16.98
Typical High
$16.98
Cigna
Setting
Facility
Modifier
None
Typical Low
$11.22
Median
$14.79
Typical High
$27.54
Cigna
Setting
Professional
Modifier
None
Typical Low
$11.22
Median
$21.38
Typical High
$52.48
Kaiser Permanente
Setting
Professional
Modifier
None
Typical Low
$21.38
Median
$24.55
Typical High
$41.69
United
Setting
Professional
Modifier
None
Typical Low
$9.55
Median
$12.02
Typical High
$17.78
Wellpoint
Setting
Professional
Modifier
None
Typical Low
$8.32
Median
$20.89
Typical High
$20.89
2 more rates with less common billing modifiers

A modifier changes what was billed, for example a reduced or repeated service. Each of these modifiers carries under 10% of the published rates for this code. Modifier combinations, and modifiers with fewer than 30 rates for a carrier, are not listed.

Insurance Carrier
Aetna
Setting
Professional
Modifier
52 · Reduced service
Typical Low
$7.94
Median
$7.94
Typical High
$7.94
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$3.16
Median
$3.16
Typical High
$3.16

Where Maryland sits

The same service costs 4.1 times more in Kansas 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.

Maryland· 51st of 51

$15.85

KS $64.57MD $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.