CPT 99381: Preventive Visit, New Patient, Infant (Under 1)
Initial comprehensive preventive medicine evaluation and management of a new patient, infant under age 1. Includes age-appropriate history, examination, counseling/anticipatory guidance, and risk factor reduction interventions.
Why CPT 99381 Claims Get Denied
Claims billed under CPT 99381 are frequently denied or downcoded for the following reasons. Understanding these patterns helps your practice reduce denial rates and recover revenue faster.
Duplicate with well-child visit within the benefit period
Diagnosis code does not support preventive visit
Billed with a sick visit E/M code without modifier 25
Patient not new to the practice per payer definition
Billing Tips for CPT 99381
Use a preventive diagnosis code (Z00.129 for encounter for routine child health examination). If addressing a separate problem, bill the appropriate E/M code with modifier 25 in addition. Verify the patient meets the payer's definition of 'new patient' (no visits in the past 3 years).
Documentation Requirements
To support a clean claim for CPT 99381, your clinical documentation should include:
Comprehensive age-appropriate history
Comprehensive physical examination
Developmental assessment
Immunization review and administration
Anticipatory guidance and counseling
Risk factor identification
Common Modifiers for CPT 99381
Reduce CPT 99381 Denials by 60%
RediClaim's pre-submission scrubber catches documentation gaps and coding errors before you submit, while the appeal generator handles denials that slip through.