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H61.813

Billable

Exostosis of external canal, bilateral

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

What This Code Means

Benign bony growths (exostosis) present in both external ear canals, typically related to chronic cold water exposure.

Coding Tips

  • •Use only when bilateral exostosis is explicitly documented; unilateral cases require laterality-specific codes
  • •Consider documenting occupational or recreational history (swimmers, surfers) for medical necessity

Code Hierarchy

└H61Other disorders of external ear└H61.8Other specified disorders of external ear└H61.81Exostosis of external canal└H61.813Exostosis of external canal, bilateral
└H61.813Exostosis of external canal, bilateral

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