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Blood Draw From An Existing Catheter

Maryland rates for HCPCS 36592

Collection of a blood sample drawn back through a catheter that is already in place in a vein, rather than by a fresh needle stick. It covers the nursing time and supplies used to withdraw, discard and flush appropriately so the sample is not diluted. It is used for patients who have a long-term line and need frequent testing.

Rates data updated July 2026.

How much does Blood Draw From An Existing Catheter cost?

$36.31

Typical physician fee. In Maryland, July 2026.

Insurers have agreed to pay about $36.31 for this service. Most negotiated rates run $30.20 to $39.81.

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 $36 · 10th to 90th $28 to $46
$20$50$100professional $36

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
$28.18
Median
$36.31
Typical High
$39.81
CareFirst
Setting
Professional
Modifier
Global
Typical Low
$32.36
Median
$32.36
Typical High
$40.74
Cigna
Setting
Professional
Modifier
Global
Typical Low
$26.92
Median
$37.15
Typical High
$63.10
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$36.31
Median
$41.69
Typical High
$58.88
United
Setting
Professional
Modifier
Global
Typical Low
$25.12
Median
$35.48
Typical High
$66.07
Wellpoint
Setting
Professional
Modifier
Global
Typical Low
$21.38
Median
$41.69
Typical High
$57.54

Where Maryland sits

The same service costs 3.5 times more in Alaska 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.

Maryland· 28th of 51

$36.31

AK $102IN $29.51

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.