2021 ICD-10-CM Code Z16.1

Resistance to beta lactam antibiotics

Version 2021

Not Valid for Submission

Z16.1 is a non-specific and non-billable diagnosis 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 specific and is NOT valid for the year 2021 for the submission of HIPAA-covered transactions. Category or Header define the heading of a category of codes that may be further subdivided by the use of 4th, 5th, 6th or 7th characters.

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

Code Classification

Specific Coding for Resistance to beta lactam antibiotics

Non-specific codes like Z16.1 require more digits to indicate the appropriate level of specificity. Consider using any of the following ICD-10 codes with a higher level of specificity when coding for resistance to beta lactam antibiotics:

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

Code History

  • FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
  • FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
  • FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016 (First year ICD-10-CM implemented into the HIPAA code set)