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N61.0

Billable

Mastitis without abscess

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

Inflammation of the breast tissue without a collection of pus (abscess). This is typically caused by infection or irritation and presents with pain, redness, and swelling.

Coding Tips

  • •Distinguish between mastitis without abscess (N61.0) and mastitis with abscess (N61.1) based on imaging or clinical findings
  • •Document the laterality and any associated risk factors such as lactation status or recent trauma

Code Hierarchy

└N61Inflammatory disorders of breast└N61.0Mastitis without abscess
└N61.0Mastitis without abscess

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