99429 Unlisted preventive service
Also known as: unlisted preventive, preventive unlisted code
Unlisted preventive medicine service that does not fit standard preventive visit codes; used when no other preventive code appropriately describes the service.
In Plain Language
preventive health visit for unusual or special circumstances
Clinical Context
Used for preventive medicine services that do not fit into established preventive visit codes, typically requiring detailed documentation and explanation.
RVU Information
CPT 99429 does not have a physician work RVU assigned by CMS. Reimbursement for this code is determined by payer-specific fee schedules.
Billing & Documentation
E&M codes require documentation of medical decision-making (MDM) complexity or total time spent on the encounter. For 2026, time-based coding includes all physician time on the date of the encounter.
How This Code Compares
This code has a work RVU of 0.00, meaning it does not have a physician work component assigned by CMS. In the Evaluation & Management category, 8% of codes share this characteristic.
Specialties
Frequently Asked Questions
What is CPT code 99429?
CPT 99429 (Unlisted preventive service) is a Evaluation & Management code. Unlisted preventive medicine service that does not fit standard preventive visit codes; used when no other preventive code appropriately describes the service.
Who uses CPT code 99429?
CPT 99429 is used by Family Medicine, Internal Medicine, Preventive Medicine. Used for preventive medicine services that do not fit into established preventive visit codes, typically requiring detailed documentation and explanation.
When is CPT 99429 used?
Used for preventive medicine services that do not fit into established preventive visit codes, typically requiring detailed documentation and explanation.
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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.