2027 ICD-10-CM Diagnosis Code N34.3Urethral syndrome, unspecified
ICD-10-CM Codes›N00–N99›N30-N39›N34
- Billable — Valid for Submission
- Chronic Condition
N34.3 is a billable ICD-10-CM diagnosis code for urethral syndrome, unspecified. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 689 through 690. Coders also document this condition as urethral syndrome. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Urinary tract infections.
Code Identity
Code Classification
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Urethral syndrome
Instructional NotesGuidance
Instructions from the official ICD-10-CM Tabular List that apply to N34.3: its own notes plus those printed at N34, block N30-N39, and Chapter 14. A note printed at a category, block or chapter applies to every code under it.
Excludes2
Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.
- 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)
Use Additional Code
Add a second code, after this one, to fully describe the condition.
Source: CMS ICD-10-CM Tabular List. How to read instructional notes.
Referenced in Other NotesGuidance
Instructional notes printed at other codes that name N34.3, its category, or a range that includes it.
Index to Diseases and InjuriesGuidance
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Patient EducationClinical
Urethral Disorders
The urethra is the tube that allows urine to pass out of the body. In men, it's a long tube that runs through the penis. It also carries semen in men. In women, it's short and is just above the vagina. Urethral problems may happen due to aging, illness, or injury. They include:
Read the full article at MedlinePlus
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
Convert N34.3 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About N34.3Overview
What is the ICD-10 code for urethral syndrome, unspecified?
The ICD-10-CM code for urethral syndrome, unspecified is N34.3 (sometimes written as N343). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
Is N34.3 (Urethritis and urethral syndrome) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report urethral syndrome, unspecified on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
What MS-DRG does N34.3 group to?
When urethral syndrome, unspecified is the principal diagnosis on an inpatient stay, it groups to MS-DRG 689, 690, with relative weights from 0.8008 to 1.1415 depending on complications. Higher weights mean higher Medicare reimbursement.
Does N34.3 need an additional code?
When the condition applies, yes. The Use Additional Code note at N34, which applies to N34.3, reads: code (B95-B97), to identify infectious agent.. The additional code is reported after N34.3.
What is the ICD-9 equivalent of N34.3?
Under the General Equivalence Mappings, urethral syndrome, unspecified converts to ICD-9-CM 597.81 (urethral syndrome NOS). The mapping is a direct match.
