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Flow Cytometry, Additional Cell Marker

Washington, DC rates for HCPCS 88185

This covers testing an additional marker in a flow cytometry study, a laboratory technique that identifies specific proteins on the surface of individual cells by passing them one at a time through a laser-based detector. Each marker gives information about what type of cell is present and what state it is in, and looking at several markers together helps build a full picture. It applies for each marker beyond the first analyzed from the same sample.

Rates data updated July 2026.

How much does Flow Cytometry, Additional Cell Marker cost?

$21.88

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

Insurers have agreed to pay about $21.88 for this service. Most negotiated rates run $19.50 to $21.88.

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.

How much rates vary

Professionalmedian $22 · 10th to 90th $17 to $51
$20$50$100professional $22

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
Professional
Modifier
Global
Typical Low
$16.60
Median
$21.88
Typical High
$21.88
CareFirst
Setting
Professional
Modifier
Global
Typical Low
$18.62
Median
$19.05
Typical High
$28.18
Cigna
Setting
Professional
Modifier
Global
Typical Low
$14.13
Median
$32.36
Typical High
$100.00
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$30.90
Median
$57.54
Typical High
$57.54
United
Setting
Professional
Modifier
Global
Typical Low
$16.22
Median
$63.10
Typical High
$97.72

Where Washington, DC sits

The same service costs 6.2 times more in South Dakota than in Indiana. 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· 43rd of 51

$21.88

SD $110IN $17.78

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.