ICD-10-CM Code Z16.1

Resistance to beta lactam antibiotics

Version 2020 Non-Billable Code

Not Valid for Submission

Z16.1 is a "header" nonspecific and non-billable code code, consider using a code with a higher level of specificity for a diagnosis of resistance to beta lactam antibiotics. The code is NOT valid for the year 2020 for the submission of HIPAA-covered transactions.

Short Description:Resistance to beta lactam antibiotics
Long Description:Resistance to beta lactam antibiotics

Consider the following ICD-10 codes with a higher level of specificity:

  • Z16.10 - Resistance to unspecified beta lactam antibiotics
  • Z16.11 - Resistance to penicillins
  • Z16.12 - Extended spectrum beta lactamase (ESBL) resistance
  • Z16.19 - Resistance to other specified beta lactam antibiotics

Code Classification

  • Factors influencing health status and contact with health services (Z00–Z99)
    • Resistance to antimicrobial drugs (Z16)
      • Resistance to antimicrobial drugs (Z16)

Code History

  • FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016
    (First year ICD-10-CM implemented into the HIPAA code set)
  • FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020