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ICD-10 Coding for Oligomenorrhea(N91.5, E28.2, N91.0)

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Learn about oligomenorrhea ICD-10 codes, documentation requirements, and coding pitfalls. Ensure accurate coding with our comprehensive guide.

Also known as:
Infrequent Menstrual PeriodsScanty Menstruation
Related ICD-10 Code Ranges

Complete code families applicable to Oligomenorrhea

N00-N99Primary Range

Diseases of the genitourinary system

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Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescription
N91.5Oligomenorrhea, unspecified
N91.1Secondary oligomenorrhea
Primary ICD-10-CM Codes
Oligomenorrhea, unspecified
N91.5Billable
Differential Codes

Alternative codes to consider when ruling out similar conditions

AmenorrheaN91.2

Use if menstrual cycles are absent for more than 90 days.

Irregular mensesN92.6

Use if menstrual cycles are less than 35 days but irregular.

Primary oligomenorrheaN91.0

Use when oligomenorrhea is due to primary causes like hypothalamic dysfunction.

Documentation & Coding Risks

Avoid these common issues when documenting Oligomenorrhea.

Failure to document secondary causes of oligomenorrhea.

Impact

Clinical: May lead to inappropriate treatment., Regulatory: Non-compliance with documentation standards., Financial: Potential for denied claims or reduced reimbursement.

Mitigation

Thorough patient history, Comprehensive lab testing

Using N91.5 when a more specific code is available.

Impact

Reimbursement: May result in lower reimbursement if specificity is not provided., Compliance: Non-compliance with coding guidelines., Data Quality: Decreases accuracy of medical records.

Mitigation

Use specific codes like N91.0 or N91.1 when the cause is documented.

Use of unspecified codes

Impact

Frequent use of unspecified codes like N91.5 can trigger audits.

Mitigation

Ensure documentation supports the most specific code possible.

Frequently Asked Questions

Related condition guides

Documentation requirements, coding pitfalls and FAQs for conditions coded with N91.5.