ICD-10-CM
ICD-10 code for Irregular periods: N92.6
The CDC title for "Irregular periods" is N92 (Excessive, frequent and irregular menstruation), a header that is not billable. When nothing more specific is documented, the billable code is N92.6, Irregular menstruation, unspecified.
Source: CDC ICD-10-CM FY2027 order file dated June 16, 2026. Publisher page
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Codes under N92, then other CDC titles that name irregular menstruation
A header groups codes and is not billed. A billable code is one you can report.
- N92Excessive, frequent and irregular menstruationHeader
- N92.0Excessive and frequent menstruation with regular cycleBillable
- N92.1Excessive and frequent menstruation with irregular cycleBillable
- N92.2Excessive menstruation at pubertyBillable
- N92.3Ovulation bleedingBillable
- N92.4Excessive bleeding in the premenopausal periodBillable
- N92.5Other specified irregular menstruationBillable
- N92.6Irregular menstruation, unspecifiedBillable
Excludes1
Excludes1 means these codes are not reported together.
- irregular menstruation with:
- N91.3-N91.5Lengthened intervals or scanty bleeding
- N92.1Shortened intervals or excessive bleeding
From N92. A note on a category applies to every code under it.
Related conditions
Related pages
- N92.6 code detailsNotes, nearby codes, CMS-HCC group
- Category N92Every code under it
- Chapter 14Diseases of the genitourinary system
- ICD-10 codes by conditionA to Z
- Check a list of ICD-10 codes
- Denial code CO-11Diagnosis does not support the procedure
- Denial code CO-146Diagnosis invalid for the date of service
- HCPCS Level II code lookup
Questions
What is the ICD-10 code for Irregular periods?
The CDC title for "Irregular periods" is N92 (Excessive, frequent and irregular menstruation), a header that is not billable. When nothing more specific is documented, the billable code is N92.6, Irregular menstruation, unspecified.
Is N92.6 billable?
Yes. N92.6 is a billable code in the FY2027 ICD-10-CM file. Use a more specific code when the record documents one.
What documentation notes apply to N92.6?
The CDC tabular list gives 5 Excludes1 notes (not coded together) for N92.6 and the categories above it. They are listed on this page.
What chapter is N92.6 in?
Chapter 14. Diseases of the genitourinary system.
When do ICD-10-CM codes change?
Every October 1, with the new fiscal year file. Some years add April 1 updates. This page uses the FY2027 file, effective October 1, 2026.