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89190 Nasal smear for eosinophils

Pathology & Lab

Also known as: nasal smear for eosinophils, nasal eosinophil test

Microscopic examination of nasal mucus smear for identification and quantification of eosinophils.

In Plain Language

allergy cell count in nasal mucus; allergy nose test

Clinical Context

Used to assess allergic rhinitis and differentiate from infectious or other causes of nasal symptoms.

RVU Information

CPT 89190 does not have a physician work RVU assigned by CMS. Reimbursement for this code is determined by payer-specific fee schedules.

Billing & Documentation

Lab and pathology codes require an order from the treating provider with clinical indication. For molecular pathology and genetic testing, document the specific analytes tested and clinical rationale.

How This Code Compares

This code has a work RVU of 0.00, meaning it does not have a physician work component assigned by CMS. In the Pathology & Lab category, 94% of codes share this characteristic.

Specialties

LaboratoryAllergy/Immunology

Frequently Asked Questions

What is CPT code 89190?

CPT 89190 (Nasal smear for eosinophils) is a Pathology & Lab code. Microscopic examination of nasal mucus smear for identification and quantification of eosinophils.

Who uses CPT code 89190?

CPT 89190 is used by Laboratory, Allergy/Immunology. Used to assess allergic rhinitis and differentiate from infectious or other causes of nasal symptoms.

When is CPT 89190 used?

Used to assess allergic rhinitis and differentiate from infectious or other causes of nasal symptoms.

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CPT® is a registered trademark of the American Medical Association. Data sourced from CMS Physician Fee Schedule RVU26A. Descriptions, synonyms, and clinical context are original content by RVU Edge.