Q56.4

Q56.4: Indeterminate sex, unspecified

Billable / specific codeICD-10-CMPOA exempt

Q56.4 is a billable, specific ICD-10-CM code for indeterminate sex, unspecified. It is valid for submission on a claim.

Check Q56.4 with the rest of the claim: free scrubber

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Ambiguous genitalia

Excludes1 inherited from the categories above Q56.4

A category’s note binds every code beneath it.

Written on Q56: Indeterminate sex and pseudohermaphroditism

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)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Alphabetic index entries that lead here

Ambiguous genitalia
Indeterminate sex

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under Q56