Summary & Overview
CPT 41870: Periodontal Soft Tissue Graft to Tooth Root
CPT code 41870 represents periodontal soft tissue grafting, a surgical procedure that removes oral mucosal tissue, often from the palate, and transplants it to the root surface to restore gingival tissue and improve root coverage. This procedure is clinically significant for managing gingival recession, reducing sensitivity, and improving periodontal stability, and it has implications for dental specialty practice patterns and reimbursement for oral surgery services across the United States. Key payers included in this analysis are Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare.
Readers will find a concise overview of the clinical intent and service context for CPT code 41870, typical sites of service, and which major payers cover the service. The publication summarizes common modifiers associated with the code and notes where input data are not available. It also outlines what clinicians and billing staff need to know about billing practices and claims line information at a national level, and provides policy and coding context relevant to dental and oral surgery service lines. Data not available in the input are identified where applicable.
Billing Code Overview
CPT code 41870 describes a surgical periodontal procedure in which soft tissue from the mouth, commonly the roof of the mouth (palate), is harvested and grafted to the root surface of one or more teeth. The goal of this procedure is to augment or replace lost gingival tissue and improve root coverage and periodontal health.
Service type: Periodontal soft tissue grafting
Typical site of service: Dental/oral surgery suite or outpatient ambulatory surgery center, performed by dental or oral maxillofacial specialists.
Clinical & Coding Specifications
Clinical Context
A 45-year-old patient presents to an oral surgery clinic with localized gingival recession affecting the facial aspect of the maxillary right canine and first premolar, causing root sensitivity, esthetic concerns, and minimal attachment loss. Conservative therapy including scaling, root planing, and topical desensitizers provided limited relief. The periodontist plans a connective tissue graft using autogenous tissue harvested from the palate and grafted to the exposed root surfaces to increase keratinized tissue and cover recession. The procedure is performed in an outpatient dental/oral surgery suite under local anesthesia with or without sedation. Typical workflow: preoperative evaluation (medical history, periodontal charting, informed consent), local anesthesia and possible sedation, harvesting of palatal tissue, recipient site preparation and placement of the graft, suturing, postoperative instructions and prescriptions, and scheduled follow-up visits for suture removal and healing assessment. Billing will use the periodontal soft tissue graft procedure code 41870 and may include facility or professional component modifiers as applicable.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
22 | Increased procedural services | When work required is substantially greater than typical for 41870, with documentation of extra work and time |