Headline: New CPT code 0330T defines tear film thickness imaging and interpretation

Lead: CPT code 0330T designates a diagnostic imaging service in which a provider measures tear film thickness using a specialized imaging device, interprets the results, and provides a formal report. The code standardizes billing for a targeted ocular surface diagnostic procedure that supports assessment and management of tear film abnormalities.

What the code represents and why it matters: CPT code 0330T formalizes reimbursement and administrative handling for a specialized ocular surface imaging and interpretation service. Nationally, standardized coding for tear film measurement helps align clinical documentation, supports coverage decisions, and improves consistency in claims processing for eye-care diagnostic services.

Key payers covered: This analysis covers major national payers including Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare.

Overview of reader takeaways: Readers will gain a concise understanding of the clinical purpose of CPT code 0330T, typical sites of service, and which national payers are relevant to coverage considerations. The publication summarizes benchmarking and policy-relevant context where available, notes common billing modifiers provided in the input, and identifies areas where input data was not available for inclusion (for example, associated taxonomies and ICD-10 diagnoses).