D0418 Analysis of saliva sample
Also known as: saliva analysis, sialometry
Analysis of saliva sample to assess salivary components, flow rate, buffering capacity, and other variables affecting oral health.
In Plain Language
testing saliva
Clinical Context
Used to evaluate caries risk, xerostomia severity, and salivary protective factors in patients with dry mouth or high caries risk.
RVU Information
CPT D0418 does not have a physician work RVU assigned by CMS. This is typical for supply, drug, and equipment codes — reimbursement is based on Average Sales Price (ASP), fee schedules, or payer contracts rather than the RVU system.
Billing & Documentation
Dental codes (CDT codes) require documentation of the tooth number(s) or area treated, clinical findings, and the procedure performed. Pre-authorization may be required for major restorative, prosthodontic, and oral surgery procedures. Include radiographs when supporting medical necessity.
Specialties
Frequently Asked Questions
What is CPT code D0418?
CPT D0418 (Analysis of saliva sample) is a D Codes (Dental) code. Analysis of saliva sample to assess salivary components, flow rate, buffering capacity, and other variables affecting oral health.
Is D0418 covered by dental insurance?
CPT D0418 is a dental procedure code used by Dentistry, Preventive Dentistry. Used to evaluate caries risk, xerostomia severity, and salivary protective factors in patients with dry mouth or high caries risk. Coverage depends on your dental insurance plan.
When is CPT D0418 used?
Used to evaluate caries risk, xerostomia severity, and salivary protective factors in patients with dry mouth or high caries risk.
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CPT® is a registered trademark of the American Medical Association. Data sourced from CMS Physician Fee Schedule RVU26A. Descriptions, synonyms, and clinical context are original content by RVU Edge.