Question 1

Is N91 a billable ICD-10 code?

Accepted Answer

No, N91 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 N91 mean?

Accepted Answer

ICD-10-CM code N91 represents Absent, scanty and rare menstruation. 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 N91 introduced?

Accepted Answer

Code N91 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 N91?

Accepted Answer

The parent category for N91 is section:N80-N98 (Noninflammatory disorders of female genital tract (N80-N98)). This hierarchical classification helps organize related diagnoses for more accurate coding.

Question 5

What conditions are excluded from N91?

Accepted Answer

Code N91 has Type 1 Excludes (mutually exclusive conditions) including: ovarian dysfunction (E28.-). These conditions cannot be coded together with N91 as they represent different diagnoses.

N912026

Excludes11Not coded together

Excludes28Not included here

Is N91 a billable ICD-10 code?

What does ICD-10 code N91 mean?

When was ICD-10 code N91 introduced?

What is the parent category for ICD-10 code N91?

What conditions are excluded from N91?