N39.9 – Disorder of urinary system, unspecified

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

Billable code

ICD-10-CM code N39.9

Code: N39.9 (claims format: N399)
Description: Disorder of urinary system, unspecified
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 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 N39.9

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 N39.9?

N39.9 is the ICD-10-CM code for disorder of urinary system, unspecified, in the block N30-N39 (Other diseases of the urinary system).

Is N39.9 a billable code?

Yes. N39.9 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does N39.9 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.