CPT 0839T: Whole-Slide Image Digitization for Pathology Consultation
CPT code 0839T is an add-on pathology code for clinical staff time spent scanning and digitizing whole–slide images from glass slides to support pathologic diagnosis. The code captures the technical workflow of converting glass slides into digital whole–slide images for immediate review or archival consultation and is reported alongside consultation code 88323 for referred material requiring slide preparation. Nationally, this code reflects growing adoption of digital pathology and remote consultation workflows that can impact lab operations, turnaround time, and billing practices.
Key payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise explanation of the code’s clinical role and billing context, an overview of which payers are considered in the analysis, and what to expect when reporting this add-on service with 88323. The publication outlines billing benchmarks, relevant policy considerations affecting digital pathology services, and the clinical context for use of whole–slide imaging in consultative pathology. Data not available in the input for some benchmarking fields is noted where applicable.
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Billing Code Overview
CPT code 0839T describes clinical staff work to scan and digitize whole–slide images from glass microscope slides for use in immediate or later pathologic diagnosis. This is an add-on pathology digitization service reported in conjunction with a consultation on referred material.
Service type: Pathology consultation support — whole-slide image digitization
Typical site of service: Clinical pathology laboratory or hospital pathology department
Report one unit of CPT code 0839T for digitizing slides in support of one unit of consultation code 88323, which documents a pathology consultation and report on referred material that requires slide preparation.