D9990 Transverse or sign language services
Also known as: interpreter services, translation services, sign language interpreter
Translation or sign language interpretation services provided during dental appointments to facilitate communication between dental providers and patients with language barriers.
In Plain Language
translator or sign language services; interpreter at dental visit
Clinical Context
Used when professional translation or sign language interpretation services are provided to enable clear communication and informed consent for non-English speaking or deaf patients.
RVU Information
CPT D9990 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 D9990?
CPT D9990 (Transverse or sign language services) is a D Codes (Dental) code. Translation or sign language interpretation services provided during dental appointments to facilitate communication between dental providers and patients with language barriers.
Is D9990 covered by dental insurance?
CPT D9990 is a dental procedure code used by General Dentistry, Practice Management, All Specialties. Used when professional translation or sign language interpretation services are provided to enable clear communication and informed consent for non-English speaking or deaf patients. Coverage depends on your dental insurance plan.
When is CPT D9990 used?
Used when professional translation or sign language interpretation services are provided to enable clear communication and informed consent for non-English speaking or deaf patients.
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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.