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Q99.1

Billable

46, XX true hermaphrodite

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

What This Code Means

A rare intersex condition where an individual has both ovarian and testicular tissue with a 46,XX chromosome pattern, resulting in ambiguous or mixed sexual characteristics.

Coding Tips

  • This diagnosis requires confirmation through genetic testing and histological examination; ensure documentation includes test results
  • Document the extent and location of gonadal tissue to support medical decision-making regarding treatment options

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