go back

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 October 2026.

How much does Blood Draw From An Existing Catheter cost?

$39.81

Typical negotiated rate. In Maryland, October 2026.

Insurers have agreed to pay about $39.81 for this service. The price depends on where it is billed: about $36.31 from a physician practice, and about $135 from a hospital or other facility.

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.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$36.31$31.62 to $39.81
FacilityA hospital or hospital-owned outpatient department$135$75.86 to $550

How much rates vary

Facilitymedian $135 · 10th to 90th $50 to $631Professionalmedian $36 · 10th to 90th $25 to $58
$10$20$50$100$200$500facility $135professional $36

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
Facility
Modifier
None
Typical Low
$72.44
Median
$72.44
Typical High
$72.44
Aetna
Setting
Professional
Modifier
None
Typical Low
$28.18
Median
$36.31
Typical High
$39.81
CareFirst
Setting
Professional
Modifier
None
Typical Low
$32.36
Median
$36.31
Typical High
$36.31
Cigna
Setting
Facility
Modifier
None
Typical Low
$50.12
Median
$66.07
Typical High
$630.96
Cigna
Setting
Professional
Modifier
None
Typical Low
$28.18
Median
$33.11
Typical High
$66.07
Kaiser Permanente
Setting
Professional
Modifier
None
Typical Low
$36.31
Median
$41.69
Typical High
$58.88
United
Setting
Facility
Modifier
None
Typical Low
$64.57
Median
$144.54
Typical High
$616.60
United
Setting
Professional
Modifier
None
Typical Low
$25.12
Median
$37.15
Typical High
$89.13
Wellpoint
Setting
Professional
Modifier
None
Typical Low
$21.38
Median
$21.38
Typical High
$57.54

Where Maryland sits

The same service costs 7.1 times more in Tennessee than in Kentucky. 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· 41st of 51

$39.81

TN $209KY $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.