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Ongoing Blood-Thinner Management, Later Months

Oregon rates for HCPCS 99364

This covers the ongoing work involved in managing a patient's warfarin (a blood-thinning medication) for each additional three-month period after the first, in the outpatient setting. It includes reviewing regular blood clotting test results, adjusting the medication dose as needed, giving the patient instructions, and ordering follow-up testing. This reflects the continued coordination needed to keep the blood-thinning level in a safe range over the long term.

Rates data updated October 2026.

How much does Ongoing Blood-Thinner Management, Later Months cost?

$81.28

Typical negotiated rate. In Oregon, October 2026.

Insurers have agreed to pay about $81.28 for this service. The price depends on where it is billed: about $95.50 from a physician practice, and about $81.28 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 5 insurance carriers under federal price transparency rules.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$95.50$70.79 to $123
FacilityA hospital or hospital-owned outpatient department$81.28$69.18 to $85.11

How much rates vary

Facilitymedian $81 · 10th to 90th $60 to $102Professionalmedian $95 · 10th to 90th $66 to $170
$100facility $81professional $95

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
Cigna
Setting
Professional
Modifier
None
Typical Low
$70.79
Median
$95.50
Typical High
$131.83
Kaiser Permanente
Setting
Professional
Modifier
None
Typical Low
$169.82
Median
$169.82
Typical High
$177.83
Moda Health
Setting
Facility
Modifier
None
Typical Low
$67.61
Median
$85.11
Typical High
$112.20
Moda Health
Setting
Professional
Modifier
None
Typical Low
$66.07
Median
$66.07
Typical High
$66.07
Pacific Source
Setting
Facility
Modifier
None
Typical Low
$60.26
Median
$79.43
Typical High
$85.11
Providence
Setting
Facility
Modifier
None
Typical Low
$67.61
Median
$85.11
Typical High
$112.20
Providence
Setting
Professional
Modifier
None
Typical Low
$66.07
Median
$66.07
Typical High
$66.07

Where Oregon sits

The same service costs 22.4 times more in Hawaii than in South Carolina. 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.

Oregon· 27th of 47

$81.28

HI $676SC $30.20

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.