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N61.21

Billable

Granulomatous mastitis, right breast

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

What This Code Means

A rare type of breast inflammation characterized by granuloma formation (collections of immune cells) in the right breast. The cause is often unknown.

Coding Tips

  • •Confirm diagnosis with histopathology; granulomatous mastitis is often a diagnosis of exclusion after ruling out tuberculosis and other infections
  • •Document any associated symptoms, treatment received, and response to therapy

Code Hierarchy

└N61Inflammatory disorders of breast└N61.2Granulomatous mastitis└N61.21Granulomatous mastitis, right breast
└N61.21Granulomatous mastitis, right breast

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