CPT code 31561 denotes a microlaryngoscopic procedure: direct laryngoscopy with arytenoidectomy performed under operating telescope or microscope. Nationally, this code captures surgical management of posterior laryngeal pathology that may affect airway patency or voice function and is relevant to otolaryngology, head and neck surgery, and anesthesia services. The code is used across inpatient and outpatient surgical settings and has implications for facility, professional, and anesthesia billing.

Key payers in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise clinical description, typical sites of service, commonly applied modifiers, and the payer mix covered. The summary highlights where this code is applied clinically — in operating rooms or ambulatory surgery centers using endoscopic visualization — and outlines the operational billing context for surgical teams and revenue cycle professionals.

This publication provides benchmarks and policy-relevant details useful for coding accuracy, claim submission planning, and payer negotiation contexts. It also provides clinical context for when the procedure is indicated and how it maps to surgical service lines. Data not available in the input is noted where relevant.