Q56 Indeterminate sex and pseudohermaphroditism

Category / Non-billable header 5 subcodes

Block: Congenital malformations of genital organs (Q50-Q56)

Excludes 1 (cannot be coded together)

  • 46,XX true hermaphrodite (Q99.1)
  • androgen insensitivity syndrome (E34.5-)
  • chimera 46,XX/46,XY true hermaphrodite (Q99.0)
  • female pseudohermaphroditism with adrenocortical disorder (E25.-)
  • pseudohermaphroditism with specified chromosomal anomaly (Q96-Q99)
  • pure gonadal dysgenesis (Q99.1)

Subcodes

Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.

Code Description Billable
Q56..0 Hermaphroditism, not elsewhere classified Yes
Q56..1 Male pseudohermaphroditism, not elsewhere classified Yes
Q56..2 Female pseudohermaphroditism, not elsewhere classified Yes
Q56..3 Pseudohermaphroditism, unspecified Yes
Q56..4 Indeterminate sex, unspecified Yes

Last reviewed: September 2026