CPT code 32310 represents a parietal pleurectomy — the surgical removal of the pleural lining from the chest wall. This thoracic surgical code is used for procedures addressing pleural disease where excision of the parietal pleura is clinically indicated. Nationally, procedures coded with 32310 are relevant to hospital surgical services, thoracic surgery departments, and payer policy for inpatient and certain outpatient surgical settings.

Key payers considered include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of how the code maps to clinical practice, its typical site of service, and the service type. The publication provides benchmarks and reimbursement context where available, summarizes relevant coding guidance and common modifier usage, and outlines clinical scenarios in which a parietal pleurectomy is documented. It also highlights areas where policy updates or payer-specific rules commonly affect coverage and billing for thoracic surgical procedures.

This material is written for a national audience and is intended to clarify the clinical and administrative meaning of CPT code 32310, support accurate coding, and inform discussions between providers, hospital billing teams, and payers.