Q56.4
Indeterminate sex, unspecified
Billable FY2026 2025-10-01 → 2026-09-30
This is the unspecified option. 4 more
specific codes sit alongside it. Worth
checking whether the documentation supports one of them.
Exclusions 8 never code together
Q56code
Excludes1
- 46,XX true hermaphrodite (Q99.1)Q99.1
- androgen insensitivity syndrome (E34.5-)E34.5-
- chimera 46,XX/46,XY true hermaphrodite (Q99.0)Q99.0
- female pseudohermaphroditism with adrenocortical disorder (E25.-)E25.-
- pseudohermaphroditism with specified chromosomal anomaly (Q96-Q99)Q96-Q99
- pure gonadal dysgenesis (Q99.1)Q99.1
Q50-Q56block
Excludes1 — never code together. The excluded condition and this one are mutually exclusive.
Instructional notes 1
Q56.4code
Inclusion terms
- Ambiguous genitalia
Alongside this code 4 same parent — Q56
Medications 1
MED-RT files conditions by MeSH, which carves the world differently from ICD-10. These are name matches on this code's description, offered as candidates — not as an assertion that they are this code.
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.