N39.0 – Urinary tract infection, site not specified

ICD-10-CM 2027 diagnosis code · Other diseases of the urinary system

Billable code

ICD-10-CM code N39.0
Code
N39.0 (claims format: N390)
Description
Urinary tract infection, site not specified
Billable
Yes – valid for HIPAA-covered transactions
Valid for
Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter
14. Diseases of the genitourinary system (N00-N99)
Block
N30-N39 Other diseases of the urinary system
Parent codes
N39

Notes for N39.0

Excludes1 (not coded here):
  • candidiasis of urinary tract (B37.4-)
  • neonatal urinary tract infection (P39.3)
  • pyuria (R82.81)
  • urinary tract infection of specified site, such as:
  • cystitis (N30.-)
  • pyonephrosis (N13.6)
  • urethritis (N34.-)
Use additional code:
  • code (B95-B97), to identify infectious agent.

Notes inherited from parent codes

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

N39 – Other disorders of urinary system

Excludes2 (not included here):
  • hematuria NOS (R31.-)
  • recurrent or persistent hematuria (N02.-)
  • recurrent or persistent hematuria with specified morphological lesion (N02.-)
  • proteinuria NOS (R80.-)

Block N30-N39

Excludes2 (not included here):
  • urinary infection (complicating):
  • abortion or ectopic or molar pregnancy (O00-O07, O08.8)
  • pregnancy, childbirth and the puerperium (O23.-, O75.3, O86.2-)

Index terms for N39.0

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

Related codes in N39

Frequently asked questions

What is ICD-10 code N39.0?

N39.0 is the ICD-10-CM code for urinary tract infection, site not specified, in the block N30-N39 (Other diseases of the urinary system).

Is N39.0 a billable code?

Yes. N39.0 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does N39.0 belong to?

It belongs to category N39 – Other disorders of urinary system.

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.