Summary & Overview
CPT 94010: Spirometry for Lung Function Assessment
CPT code 94010 is a widely utilized billing code for spirometry, a key diagnostic procedure in pulmonology that measures lung function through vital capacity and expiratory flow rates. This code is central to the evaluation and management of respiratory diseases, including chronic obstructive pulmonary disease, asthma, and emphysema. Nationally, spirometry is performed in outpatient office settings and is covered by major payers such as Aetna, Blue Cross Blue Shield, Cigna Health, Medicare, and UnitedHealthcare.
This publication provides a comprehensive overview of CPT code 94010, including payer coverage, clinical context, and related billing codes. Readers will gain insights into typical use cases, associated diagnoses, and relevant modifiers. The article also highlights related CPT codes for advanced pulmonary function testing and inhalation treatments, offering a broader perspective on respiratory care billing. Policy updates and benchmarks are discussed to inform stakeholders about current trends and requirements in medical billing for spirometry. The summary is designed for healthcare professionals, billing specialists, and policy analysts seeking clarity on the national landscape for spirometry services.
CPT Code Overview
CPT code 94010 represents spirometry, a pulmonary function test that measures total and timed vital capacity and expiratory flow rates, with or without maximal voluntary ventilation. This procedure is essential in the assessment and management of respiratory conditions, providing objective data on lung function. The service is typically performed in an office setting (Place of Service 11) and falls under the pulmonology specialty. Spirometry is a foundational diagnostic tool used by clinicians to evaluate symptoms such as shortness of breath and to monitor chronic lung diseases.
Clinical & Coding Specifications
Clinical Context
A patient presents to a pulmonology office with symptoms such as shortness of breath, chronic cough, or wheezing. The physician suspects a respiratory condition like chronic obstructive pulmonary disease (COPD), asthma, or emphysema. To assess lung function, the provider orders spirometry (94010). The test is performed in the office setting (POS 11), where the patient breathes into a spirometer. The device records total and timed vital capacity and expiratory flow rates, providing graphic data for interpretation. The results help guide diagnosis and management of pulmonary disorders.
Coding Specifications
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Modifiers:
26: Professional Component – Used when only the physician's interpretation and report are billed, not the technical performance.TC: Technical Component – Used when only the technical performance (equipment and staff) is billed, not the physician's interpretation.
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Provider Taxonomies:
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