CPT code 86632 represents a serologic laboratory test for chlamydia IgM antibodies, used to detect recent Chlamydia trachomatis infection. The test is clinically important because chlamydial infections are a common sexually transmitted disease and can also cause pneumonia and conjunctivitis; identifying recent infection can inform clinical management and public health surveillance. Nationally, laboratory diagnostic codes like 86632 matter because they underpin billing, laboratory reporting, and epidemiologic tracking across healthcare settings.

Key payers in the analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find an overview of clinical context for the test, typical sites of service (clinical and hospital laboratories), and the service type (serologic diagnostic test, technical component). The publication also outlines benchmarking and coverage considerations where available, common billing modifiers, and how this code relates to laboratory workflows and reporting requirements.

This report is written for a national audience and provides concise guidance on what CPT code 86632 represents, why it is used, and what to expect when it appears on a laboratory service line. Data not available in the input are noted where applicable.