DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

Q56 Indeterminate sex and pseudohermaphroditism

  • Header · not billable

Q56 is not billable. The category heads 5 billable codes in FY2027: the 5 codes directly below it.

Index → code

Where it sits

  1. Chapter 17 Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA1)
  2. Q50-Q56 Congenital malformations of genital organs (Q50-Q56)
  3. Q56 Indeterminate sex and pseudohermaphroditism
Billable codes
5
Subdivisions
5
CC / MCC codes
0 / 0
HCC V28 codes
0
New FY2027
0
Index entries
13

Codes in Q56

  1. Q56.0
    Hermaphroditism, not elsewhere classified
    BillableExempt
    Inclusion terms 1

    Inclusion terms

    • Ovotestis
  2. Q56.1
    Male pseudohermaphroditism, not elsewhere classified
    BillableExempt
    Inclusion terms 2

    Inclusion terms

    • 46, XY with streak gonads
    • Male pseudohermaphroditism NOS
  3. Q56.2
    Female pseudohermaphroditism, not elsewhere classified
    BillableExempt
    Inclusion terms 1

    Inclusion terms

    • Female pseudohermaphroditism NOS
  4. Q56.3
    Pseudohermaphroditism, unspecified
    BillableExempt
  5. Q56.4
    Indeterminate sex, unspecified
    BillableExempt
    Inclusion terms 1

    Inclusion terms

    • Ambiguous genitalia

Sources of each column.

Instructions

At Q56

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

Notes that also apply

Block Q50-Q56 instructions (Excludes1 2): printed on the block page.

Chapter 17 instructions (Notes 1, Excludes2 1): printed on the chapter 17 page.

Index entries

  • Gynandrism → Q56.0
  • Hermaphrodite, hermaphroditism (true) → Q56.0
  • Ovotestis → Q56.0
  • Pseudohermaphroditism → Q56.3
  • Ambiguous genitalia → Q56.4
  • Indeterminate sex → Q56.4
  • Pseudohermaphroditismmale → Q56.1
  • Pseudohermaphroditismfemale → Q56.2
  • Karyotype46,XYwith streak gonads → Q56.1
  • Pseudohermaphroditismmalewithout gonadal disorder → Q56.1
  • Rudimentary (congenital)uterusin male → Q56.1
  • Pseudohermaphroditismfemalewithout adrenocortical disorder → Q56.2
  • Pseudohermaphroditismmalewithcleft scrotum → Q56.1

NCHS Alphabetic Index. Index first, then the Tabular List.

Hierarchy