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Ongoing Blood-Thinner Management, Later Months

Nationwide 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?

$200

Typical negotiated rate. Nationwide, October 2026.

Insurers have agreed to pay about $200 for this service. The price depends on where it is billed: about $200 from a physician practice, and about $60.26 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 25 insurance carriers under federal price transparency rules.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$200$155 to $200
FacilityA hospital or hospital-owned outpatient department$60.26$45.71 to $93.33

How much rates vary

Facilitymedian $60 · 10th to 90th $37 to $148Professionalmedian $200 · 10th to 90th $74 to $200
$50$100$200facility $60professional $200

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
AllWays Health Partners
Setting
Facility
Modifier
None
Typical Low
$33.11
Median
$33.11
Typical High
$36.31
AllWays Health Partners
Setting
Professional
Modifier
None
Typical Low
$199.53
Median
$199.53
Typical High
$199.53
Anthem BCBS
Setting
Professional
Modifier
None
Typical Low
$41.69
Median
$41.69
Typical High
$51.29
Asuris Northwest Health
Setting
Facility
Modifier
None
Typical Low
$19.95
Median
$19.95
Typical High
$39.81
Asuris Northwest Health
Setting
Professional
Modifier
None
Typical Low
$199.53
Median
$199.53
Typical High
$199.53
BCBS Illinois
Setting
Facility
Modifier
None
Typical Low
$93.33
Median
$128.82
Typical High
$275.42
Cigna
Setting
Facility
Modifier
None
Typical Low
$33.11
Median
$114.82
Typical High
$223.87
Cigna
Setting
Professional
Modifier
None
Typical Low
$54.95
Median
$83.18
Typical High
$123.03
DeanCare
Setting
Facility
Modifier
None
Typical Low
$63.10
Median
$63.10
Typical High
$83.18
Denver HMP
Setting
Facility
Modifier
None
Typical Low
$40.74
Median
$48.98
Typical High
$58.88
Geisinger
Setting
Professional
Modifier
None
Typical Low
$63.10
Median
$70.79
Typical High
$89.13
Health Partners
Setting
Facility
Modifier
None
Typical Low
$85.11
Median
$134.90
Typical High
$316.23
Health Partners
Setting
Professional
Modifier
None
Typical Low
$50.12
Median
$74.13
Typical High
$117.49
Horizon BCBS
Setting
Professional
Modifier
None
Typical Low
$54.95
Median
$64.57
Typical High
$100.00
Kaiser Permanente
Setting
Professional
Modifier
None
Typical Low
$61.66
Median
$123.03
Typical High
$676.08
Lucent Health
Setting
Professional
Modifier
None
Typical Low
$199.53
Median
$199.53
Typical High
$199.53
Mass General Brigham
Setting
Facility
Modifier
None
Typical Low
$33.11
Median
$33.11
Typical High
$36.31
Mass General Brigham
Setting
Professional
Modifier
None
Typical Low
$199.53
Median
$199.53
Typical High
$199.53
Medcost
Setting
Professional
Modifier
None
Typical Low
$40.74
Median
$50.12
Typical High
$54.95
Medcost
Setting
Facility
Modifier
None
Typical Low
$33.88
Median
$43.65
Typical High
$58.88
Medica
Setting
Facility
Modifier
None
Typical Low
$40.74
Median
$53.70
Typical High
$93.33
Medica
Setting
Professional
Modifier
None
Typical Low
$154.88
Median
$199.53
Typical High
$199.53
Medical Mutual of Ohio
Setting
Professional
Modifier
None
Typical Low
$50.12
Median
$52.48
Typical High
$52.48
Midlands
Setting
Professional
Modifier
None
Typical Low
$54.95
Median
$54.95
Typical High
$64.57
Midlands
Setting
Professional
Modifier
None
Typical Low
$45.71
Median
$70.79
Typical High
$95.50
Moda Health
Setting
Facility
Modifier
None
Typical Low
$33.11
Median
$46.77
Typical High
$91.20
Moda Health
Setting
Professional
Modifier
None
Typical Low
$66.07
Median
$66.07
Typical High
$66.07
Molina
Setting
Professional
Modifier
None
Typical Low
$30.20
Median
$30.20
Typical High
$51.29
MountainHealth Co-op
Setting
Facility
Modifier
None
Typical Low
$44.67
Median
$45.71
Typical High
$60.26
Oscar Health
Setting
Professional
Modifier
None
Typical Low
$83.18
Median
$95.50
Typical High
$95.50
Pacific Source
Setting
Facility
Modifier
None
Typical Low
$60.26
Median
$79.43
Typical High
$85.11
Prevea360
Setting
Facility
Modifier
None
Typical Low
$63.10
Median
$63.10
Typical High
$83.18
Priority Health
Setting
Professional
Modifier
None
Typical Low
$53.70
Median
$87.10
Typical High
$120.23
Providence
Setting
Facility
Modifier
None
Typical Low
$38.90
Median
$57.54
Typical High
$102.33
Providence
Setting
Professional
Modifier
None
Typical Low
$66.07
Median
$66.07
Typical High
$66.07

What it costs in each state

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.

Touch or drag across the chart to see any state's rate.

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.