ICD-10 T50.A16A
Underdosing of pertussis vaccine, including combinations with a pertussis component, initial encounter
ICD10
T50.A16A
Injury, poisoning and certain other consequences of external causes
Description
Underdosing of pertussis vaccine, including combinations with a pertussis component, initial encounter
Common Specialties
Family Medicine
Documentation Requirements
- Document clinical indications and clear medical necessity supporting the encounter or procedure.
- Ensure complete provider signatures, credentials, date, and specific place of service (POS).
- Verify documentation strictly supports code specificity to prevent downcoding or claim denials.
Billing & Coding Tips
- Verify current payer fee schedules, NCCI edits, and Medically Unlikely Edits (MUEs).
- Append correct modifiers (e.g., 25, 59, 26, TC) where distinct procedural services or components apply.
- Confirm pre-authorization rules with Medicare, Medicaid, and commercial plans before submission.
Related Codes
T50 T50.0 T50.0X T50.0X1 T50.0X1A T50.0X1D T50.0X1S T50.0X2 T50.0X2A T50.0X2D T50.0X2S T50.0X3 T50.0X3A T50.0X3D T50.0X3S
Quantum Health Services provides full-cycle revenue cycle management and medical billing services nationwide. This code reference is for educational purposes; always verify official payer policies. CPT© descriptors require proper AMA licensing.