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Q56

Non-billable

Indeterminate sex and pseudohermaphroditism

Q56 is the ICD-10-CM code for Indeterminate sex and pseudohermaphroditism. It is a non-billable category code — use a more specific child code such as Q56.0 for billing.

Status
Header (non-billable)
Chapter
Q00-Q99
Subcodes
5
Edition
FY2026

Q00-Q99 Congenital malformations, deformations and chromosomal abnormalities

Excludes1 — not coded here

  • •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)

Frequently asked questions

What is ICD-10 code Q56?
Q56 is the ICD-10-CM code for "Indeterminate sex and pseudohermaphroditism". It falls under Q00-Q99 Congenital malformations, deformations and chromosomal abnormalities.
Is Q56 a billable code?
No — Q56 is a non-billable header code. Use a more specific child code (such as Q56.0) for billing.
What are the subcodes of Q56?
Q56 has 5 more specific child codes, including Q56.0, Q56.1, Q56.2.
What is excluded from Q56?
Excludes1 (not coded here): 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.-).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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