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Nasal Smear For Eosinophils

Louisiana 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 $8 · 10th–90th $6$210%10%20%10th90th$8Professionalmedian $6 · 10th–90th $4$100%20%10th90th$6$1.0$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. Need provider-level prices? Contact us.

Insurance Carrier
Aetna
Setting
Facility
Modifier
Global
Typical Low
$6.17
Median
$7.76
Typical High
$20.89
Aetna
Setting
Professional
Modifier
Global
Typical Low
$4.37
Median
$6.92
Typical High
$11.75
BCBS
Setting
Facility
Modifier
Global
Typical Low
$6.31
Median
$10.96
Typical High
$17.78
BCBS
Setting
Professional
Modifier
Global
Typical Low
$4.37
Median
$6.31
Typical High
$9.33
Christus
Setting
Facility
Modifier
Global
Typical Low
$5.62
Median
$5.62
Typical High
$39.81
Cigna
Setting
Facility
Modifier
Global
Typical Low
$5.89
Median
$18.62
Typical High
$28.84
Cigna
Setting
Professional
Modifier
Global
Typical Low
$2.57
Median
$3.16
Typical High
$6.61
United
Setting
Facility
Modifier
Global
Typical Low
$2.45
Median
$5.75
Typical High
$6.03
United
Setting
Professional
Modifier
Global
Typical Low
$3.16
Median
$3.98
Typical High
$7.08