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Ongoing Blood-Thinner Management, Later Months

New York 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.

Professionalmedian $123 · 10th–90th $51$1950%10%10th90th$123$50.0$100.0$200.0

Distribution of negotiated rates across all payers (price axis is log-scale). Facility and professional rates are different services and are charted separately. Small sample; interpret with caution. Need provider-level prices? Contact us.

Insurance Carrier
Anthem BCBS
Setting
Professional
Modifier
Global
Typical Low
$41.69
Median
$41.69
Typical High
$51.29
Cigna
Setting
Professional
Modifier
Global
Typical Low
$89.13
Median
$125.89
Typical High
$194.98