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ICD-10 Coding for Mastitis(N61.0, B95.61, N61.1)

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Explore detailed ICD-10 coding guidelines for mastitis, including acute, granulomatous, and pregnancy-associated cases. Learn about documentation requirements and common coding pitfalls.

Also known as:
Breast InfectionLactational MastitisGranulomatous Mastitis
Related ICD-10 Code Ranges

Complete code families applicable to Mastitis

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
N61.0Acute mastitis without abscess
N61.22Granulomatous mastitis, left breast
O91.21Nonpurulent mastitis associated with pregnancy
Primary ICD-10-CM Codes
Mastitis without abscess
N61.0Billable
Differential Codes

Alternative codes to consider when ruling out similar conditions

Abscess of breast and nippleN61.1
Acute mastitis without abscessN61.0

Documentation & Coding Risks

Avoid these common issues when documenting Mastitis.

Failure to document laterality

Impact

Clinical: Inaccurate treatment records, Regulatory: Non-compliance with coding standards, Financial: Potential claim denials

Mitigation

Always document laterality, Use templates that prompt for laterality

Using N61.0 for granulomatous mastitis

Impact

Reimbursement: Potential underpayment due to incorrect code, Compliance: Non-compliance with ICD-10 guidelines, Data Quality: Inaccurate clinical data recording

Mitigation

Use N61.22 if granulomatous mastitis is confirmed.

Incorrect code sequencing

Impact

Improper sequencing of mastitis and causative organism codes.

Mitigation

Train staff on correct sequencing rules.

Frequently Asked Questions

Related condition guides

Documentation requirements, coding pitfalls and FAQs for conditions coded with N61.0.