ICD-10-CM Diagnosis Code T50.A16S
Diagnosis Code: T50.A16S (Raw: T50A16S)
Description: Underdosing of pertussis vaccine, including combinations with a pertussis component, sequela
Classification: International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM)
Fiscal Year: 2026
CMS Section 111 Status: Valid for reporting.
Overview & Clinical Details
ICD-10-CM code T50.A16S is designated for Underdosing of pertussis vaccine, including combinations with a pertussis component, sequela. In medical documentation and insurance billing, this code is utilized to specify medical diagnosis for patient records, reimbursement workflows, and compliance under CMS Section 111 mandatory insurer reporting guidelines.
