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Ongoing Blood-Thinner Management, Later Months

North Carolina 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 July 2026.

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

$53.70

Typical physician fee. In North Carolina, July 2026.

Insurers have agreed to pay about $53.70 for this service. Most negotiated rates run $43.65 to $70.79.

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 3 insurance carriers under federal price transparency rules.

How much rates vary

Facilitymedian $52 · 10th to 90th $35 to $87Professionalmedian $200 · 10th to 90th $98 to $200
$20.0$50.0$100.0$200.0facility $52professional $200

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
Cigna
Setting
Professional
Modifier
Global
Typical Low
$89.13
Median
$125.89
Typical High
$194.98
Medcost
Setting
Professional
Modifier
Global
Typical Low
$40.74
Median
$50.12
Typical High
$54.95
Medcost
Setting
Facility
Modifier
Global
Typical Low
$34.67
Median
$52.48
Typical High
$81.28
Wellcare
Setting
Facility
Modifier
Global
Typical Low
$162.18
Median
$162.18
Typical High
$162.18
Wellcare
Setting
Professional
Modifier
Global
Typical Low
$199.53
Median
$199.53
Typical High
$199.53

Where North Carolina sits

The same service costs 4.8 times more in Tennessee than in New Hampshire. Every bar is a state, most expensive first. Pick one to see its carriers and full range.

North Carolina $53.70 · 44th of 49
TN $200NH $41.69

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.