Z16.39 – Resistance to other specified antimicrobial drug

ICD-10-CM 2027 diagnosis code · Resistance to antimicrobial drugs (Z16)

Billable code

ICD-10-CM code Z16.39
Code
Z16.39 (claims format: Z1639)
Description
Resistance to other specified antimicrobial drug
Billable
Yes – valid for HIPAA-covered transactions
Valid for
Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter
21. Factors influencing health status and contact with health services (Z00-Z99)
Block
Z16 Resistance to antimicrobial drugs (Z16)
Parent codes
Z16 › Z16.3

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

Z16 – Resistance to antimicrobial drugs

Excludes1 (not coded here):
  • Methicillin resistant Staphylococcus aureus infection (A49.02)
  • Methicillin resistant Staphylococcus aureus pneumonia (J15.212)
  • Sepsis due to Methicillin resistant Staphylococcus aureus (A41.02)
Code first:
  • the infection
Notes:
  • The codes in this category are provided for use as additional codes to identify the resistance and non-responsiveness of a condition to antimicrobial drugs.

Z16.3 – Resistance to other antimicrobial drugs

Excludes1 (not coded here):

Index terms for Z16.39

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in Z16.3

Frequently asked questions

What is ICD-10 code Z16.39?

Z16.39 is the ICD-10-CM code for resistance to other specified antimicrobial drug, in the block Z16 (Resistance to antimicrobial drugs (Z16)).

Is Z16.39 a billable code?

Yes. Z16.39 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does Z16.39 belong to?

It belongs to category Z16 – Resistance to antimicrobial drugs.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.