Question 1

Is N31 a billable ICD-10 code?

Accepted Answer

No, N31 is not a billable code. It is a category code that requires additional specificity. You must select a more specific code from the subcategories for billing purposes.

Question 2

What does ICD-10 code N31 mean?

Accepted Answer

ICD-10-CM code N31 represents Neuromuscular dysfunction of bladder, not elsewhere classified. This code is part of the International Classification of Diseases, 10th Revision, Clinical Modification used for medical coding and billing in the United States.

Question 3

When was ICD-10 code N31 introduced?

Accepted Answer

Code N31 has been part of ICD-10-CM since 2016, when the coding system was mandated for use in the United States. This code was included in the original US implementation.

Question 4

What is the parent category for ICD-10 code N31?

Accepted Answer

The parent category for N31 is section:N30-N39 (Other diseases of the urinary system (N30-N39)). This hierarchical classification helps organize related diagnoses for more accurate coding.

Question 5

What conditions are excluded from N31?

Accepted Answer

Code N31 has Type 1 Excludes (mutually exclusive conditions) including: cord bladder NOS (G95.89); neurogenic bladder due to cauda equina syndrome (G83.4); neuromuscular dysfunction due to spinal cord lesion (G95.89). These conditions cannot be coded together with N31 as they represent different diagnoses.

Question 6

Should I use additional codes with N31?

Accepted Answer

Yes, when coding N31, consider adding codes for: code to identify any associated urinary incontinence (N39.3-N39.4-). Additional codes provide more specificity about the patient's condition.

N312026

Excludes13Not coded together

Excludes211Not included here

Use Additional Code1Add code for detail