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Protein Identification in Tissue by Western Blot

Maryland rates for HCPCS 88372

A laboratory technique that separates the proteins in a tissue sample by size and then uses a specific probe to pick out and identify one of the separated bands. It shows whether a particular protein is present and whether it is the expected size. It is used when a diagnosis depends on identifying one specific protein in a sample of tissue.

Rates data updated October 2026.

How much does Protein Identification in Tissue by Western Blot cost?

$21.38

Typical negotiated rate. In Maryland, October 2026.

Insurers have agreed to pay about $21.38 for this service. Most negotiated rates run $16.98 to $23.44.

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

Professionalmedian $21 · 10th to 90th $15 to $31
$20$50$100professional $21

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

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Professional
Modifier
None
Typical Low
$19.50
Median
$19.50
Typical High
$20.89
CareFirst
Setting
Professional
Modifier
None
Typical Low
$15.14
Median
$20.89
Typical High
$23.44
Cigna
Setting
Professional
Modifier
None
Typical Low
$20.89
Median
$25.70
Typical High
$95.50
Kaiser Permanente
Setting
Professional
Modifier
None
Typical Low
$26.30
Median
$31.62
Typical High
$38.90
United
Setting
Professional
Modifier
None
Typical Low
$15.85
Median
$20.89
Typical High
$51.29
Wellpoint
Setting
Professional
Modifier
None
Typical Low
$22.39
Median
$22.39
Typical High
$22.39
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
$9.77
Median
$9.77
Typical High
$10.47
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$3.89
Median
$3.89
Typical High
$4.17

Where Maryland sits

The same service costs 3.8 times more in Alaska than in Florida. 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· 50th of 51

$21.38

AK $79.43FL $20.89

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.