N36.4
Urethral functional and muscular disorders
Non-billable headerNot valid on its own. Use one of the more specific codes under it.
N36.4 is a non-billable ICD-10-CM code header for urethral functional and muscular disorders. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are N36.41 Hypermobility of urethra, N36.42 Intrinsic sphincter deficiency (ISD), N36.43 Combined hypermobility of urethra and intrinsic sphincter deficiency and N36.44 Muscular disorders of urethra. Its coding notes include a Use additional code instruction and 11 Excludes2 entries.
Use additional code
Add the listed code as a secondary code, if known.
This code
- code to identify associated urinary stress incontinence (N39.3)
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
Also from chapter/block level (11 notes)
Inherited from N30–N39 Other diseases of the urinary system
Inherited from Chapter 14 Diseases of the genitourinary system
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)