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Nasal Smear For Eosinophils

Washington rates for HCPCS 89190

A sample of mucus or cells from inside the nose is spread on a slide, stained and examined under a microscope for eosinophils, a white blood cell that gathers where there is an allergic reaction. Plenty of these cells points toward allergy as the cause of nasal symptoms.

Rates data updated July 2026.

Facilitymedian $9 · 10th–90th $6$250%10%10th90th$9Professionalmedian $5 · 10th–90th $4$100%20%40%10th90th$5$5.0$10.0$20.0$50.0

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

Insurance Carrier
Aetna
Setting
Facility
Modifier
Global
Typical Low
$5.50
Median
$10.96
Typical High
$31.62
Aetna
Setting
Professional
Modifier
Global
Typical Low
$5.50
Median
$5.50
Typical High
$38.02
Asuris Northwest Health
Setting
Facility
Modifier
Global
Typical Low
$5.75
Median
$7.24
Typical High
$15.85
Asuris Northwest Health
Setting
Professional
Modifier
Global
Typical Low
$4.37
Median
$5.25
Typical High
$5.75
Cigna
Setting
Facility
Modifier
Global
Typical Low
$6.03
Median
$12.30
Typical High
$16.98
Cigna
Setting
Professional
Modifier
Global
Typical Low
$2.88
Median
$6.17
Typical High
$8.91
Molina
Setting
Professional
Modifier
Global
Typical Low
$3.72
Median
$5.13
Typical High
$64.57
Pacific Source
Setting
Facility
Modifier
Global
Typical Low
$5.75
Median
$5.75
Typical High
$11.48
Pacific Source
Setting
Professional
Modifier
Global
Typical Low
$5.75
Median
$5.75
Typical High
$7.76
Premera BCBS
Setting
Facility
Modifier
Global
Typical Low
$5.75
Median
$9.77
Typical High
$15.85
Premera BCBS
Setting
Professional
Modifier
Global
Typical Low
$5.25
Median
$5.25
Typical High
$6.92
Regence BlueShield
Setting
Facility
Modifier
Global
Typical Low
$5.75
Median
$8.71
Typical High
$15.49
Regence BlueShield
Setting
Professional
Modifier
Global
Typical Low
$4.37
Median
$5.25
Typical High
$5.75
United
Setting
Facility
Modifier
Global
Typical Low
$5.25
Median
$6.92
Typical High
$6.92
United
Setting
Professional
Modifier
Global
Typical Low
$3.47
Median
$3.89
Typical High
$6.61
Wellpoint
Setting
Professional
Modifier
Global
Typical Low
$2.63
Median
$3.02
Typical High
$10.47