CPT code 29804 covers arthroscopic insertion into the temporomandibular joint (TMJ) to inspect and repair pathology that causes jaw pain or dysfunction. Nationally, the code represents minimally invasive surgical management of TMJ disorders and is relevant to specialists who evaluate refractory TMJ pain, internal derangement, or locking. Use of this code affects facility and surgeon billing for outpatient arthroscopic TMJ procedures.

Key payers addressed include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise clinical context for the procedure, guidance on typical sites of service, and what to expect in terms of billing categorization. The publication outlines common billing modifiers associated with the procedure (input provided) and notes where input data is limited.

This piece summarizes clinical purpose and coding classification, highlights payer relevance for national practice patterns, and prepares readers to locate benchmarks, policy updates, and payer-specific coverage rules in follow-up resources. Data not available in the input are noted where applicable for claims detail, associated taxonomies, and ICD-10 diagnosis pairings.