Summary & Overview
CDT D4910: Periodontal Maintenance Procedures
CDT code D4910 represents periodontal maintenance procedures—routine, post-treatment dental services intended to maintain periodontal health following active therapy. Nationally, periodontal maintenance is a common, ongoing component of oral healthcare that supports long-term disease control and can influence utilization, access to follow-up care, and claims patterns across dental benefit plans. This code is relevant to dentists specializing in periodontics and general dental practice.
Key payers discussed include Aetna, Blue Cross Blue Shield, Cigna Health, and UnitedHealthcare. The publication outlines coverage contours across major commercial payers, highlights typical sites of service (dental offices), and summarizes clinical context for the procedure code.
Readers will learn: an overview of what CDT code D4910 covers clinically; which major commercial payers are referenced; how this code relates to ongoing periodontal care; and where related service-level context applies. The report notes where input data is incomplete by stating when specific metadata are not available. It does not provide clinical recommendations or state-level policy comparisons, focusing instead on national code purpose, payer coverage scope, and practical billing context for dental providers and policy analysts.
Billing Code Overview
CDT code D4910 denotes periodontal maintenance procedures, a category of dental services focused on ongoing care following active periodontal therapy. These procedures aim to control periodontal disease, maintain oral health gains achieved through prior treatment, and prevent disease recurrence.
Service Type: Dentistry
Typical Site of Service: Dental Office (POS 11)
Clinical & Coding Specifications
Clinical Context
A 56-year-old patient with a history of chronic periodontitis (K05.5) presents to a dental office (POS 11) for routine periodontal maintenance following previous active periodontal therapy. The patient undergoes a periodontal maintenance appointment that includes evaluation, removal of supragingival and subgingival plaque and calculus as indicated, and reinforcement of oral hygiene instructions. The workflow includes check-in, review of periodontal charting and previous treatment history, local anesthesia if needed, periodontal instrumentation and polishing, documentation of findings and any changes in pocket depths or bleeding on probing, and scheduling of the next maintenance interval.
Coding Specifications
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Common Modifiers:
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D— Dental Procedure: Used to indicate that the service is a dental procedure in claims when a dental-specific modifier is required. -
52— Reduced Services: Used when the periodontal maintenance procedure is partially reduced or eliminated at the physician’s or dentist’s discretion; report when a substantive portion of the service is not performed. -
Associated Provider Taxonomies:
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1223P0300X— Periodontics Dentist: Specialist focused on the prevention, diagnosis, and treatment of periodontal disease and placement of dental implants.