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Nasal Smear For Eosinophils

Maryland 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 $3 · 10th–90th $2$130%10%20%10th90th$3Professionalmedian $4 · 10th–90th $4$190%20%10th90th$4$2.0$5.0$10.0$20.0

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
Aetna
Setting
Professional
Modifier
Global
Typical Low
$3.80
Median
$4.37
Typical High
$18.62
CareFirst
Setting
Professional
Modifier
Global
Typical Low
$1.45
Median
$4.68
Typical High
$5.62
Cigna
Setting
Facility
Modifier
Global
Typical Low
$3.09
Median
$3.80
Typical High
$7.59
Cigna
Setting
Professional
Modifier
Global
Typical Low
$3.09
Median
$5.50
Typical High
$14.45
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$5.75
Median
$6.92
Typical High
$9.77
United
Setting
Facility
Modifier
Global
Typical Low
$2.45
Median
$3.16
Typical High
$12.88
United
Setting
Professional
Modifier
Global
Typical Low
$3.39
Median
$4.07
Typical High
$6.61
Wellpoint
Setting
Professional
Modifier
Global
Typical Low
$2.24
Median
$3.98
Typical High
$8.71