ICD-10-CM Diagnosis Code (2025)
Official Description for Z16.20
Resistance to unspecified antibiotic
Coding Notes & Guidelines for Z16.20
Inclusion Terms
Resistance to antibiotics NOS
Parent Code (Less Specific):
About ICD-10-CM Code Z16.20 (Resistance to unspecified antibiotic)
ICD-10-CM code Z16.20 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM Z16.20 became effective on October 1, 2024.
This page provides detailed information about Z16.20 - Resistance to unspecified antibiotic. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Resistance to unspecified antibiotic.