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Nasal Smear For Eosinophils

Washington, DC 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 $10 · 10th–90th $4$330%20%10th90th$10Professionalmedian $4 · 10th–90th $4$170%50%90th$4$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
$4.37
Median
$17.38
Typical High
$33.11
Aetna
Setting
Professional
Modifier
Global
Typical Low
$4.37
Median
$4.37
Typical High
$4.37
CareFirst
Setting
Professional
Modifier
Global
Typical Low
$13.49
Median
$23.99
Typical High
$52.48
Cigna
Setting
Facility
Modifier
Global
Typical Low
$9.33
Median
$9.77
Typical High
$22.39
Cigna
Setting
Professional
Modifier
Global
Typical Low
$3.24
Median
$6.61
Typical High
$45.71
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$10.00
Median
$10.00
Typical High
$11.75
United
Setting
Facility
Modifier
Global
Typical Low
$2.82
Median
$6.92
Typical High
$12.88
United
Setting
Professional
Modifier
Global
Typical Low
$3.47
Median
$4.17
Typical High
$7.41