N36.4
⚠ Non-billable
Urethral functional and muscular disorders
ICD-10-CM · FY2026 · Diseases of the Genitourinary System
Code
N36.4
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Diseases of the Genitourinary System
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code N36.4?
ICD-10-CM code N36.4 represents Urethral functional and muscular disorders. It is a non-billable header code requiring a more specific subcategory in the Diseases of the Genitourinary System chapter, effective October 1, 2025 – September 30, 2026.
Is N36.4 billable?
No. N36.4 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is N36.4 in?
N36.4 belongs to the Diseases of the Genitourinary System chapter (N00–N99) of ICD-10-CM.
Related codes in the N36 category
N36
Other disorders of urethra
Non-billable
N36.0
Urethral fistula
Billable
N36.1
Urethral diverticulum
Billable
N36.2
Urethral caruncle
Billable
N36.5
Urethral false passage
Billable
N36.8
Other specified disorders of urethra
Billable
N36.9
Urethral disorder, unspecified
Billable
N36.41
Hypermobility of urethra
Billable
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