All ICD10 Codes

Q56

Non-Billable
ChapterQ00–Q99
Rankcategory
Official Description

Indeterminate sex and pseudohermaphroditism

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities (Q00-Q99).

CH17 Parent Instructions

Excludes2(Not included here)
  • inborn errors of metabolism (E70-E88)

Q50-Q56 Parent Instructions

Excludes1(Not coded here)
  • androgen insensitivity syndrome (E34.5-)
  • syndromes associated with anomalies in the number and form of chromosomes (Q90-Q99)

Instructional Notes

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)

Clinical Hierarchy

CH17Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0)
Q50-Q56Congenital malformations of genital organs (Q50-Q56)
Q56Indeterminate sex and pseudohermaphroditism
Q56.0Hermaphroditism, not elsewhere classified
Q56.1Male pseudohermaphroditism, not elsewhere classified
Q56.2Female pseudohermaphroditism, not elsewhere classified
Q56.3Pseudohermaphroditism, unspecified
Q56.4Indeterminate sex, unspecified

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to Q56:

blockQ50-Q56
Congenital malformations of genital organs (Q50-Q56)
View context instructions
chapterCH17
Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to Q56. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

13 raw paths
Ambiguous genitalia1 unique routes
Direct index entry→Q56
Gynandrism1 unique routes
Direct index entry→Q56
Hermaphrodite, hermaphroditism (true)1 unique routes
Direct index entry→Q56
Indeterminate sex1 unique routes
Direct index entry→Q56
Karyotype1 unique routes
46,XY
with streak gonads→Q56
Ovotestis1 unique routes
Direct index entry→Q56
Pseudohermaphroditism6 unique routes
Direct index entry→Q56
female→Q56(2 variants)
without adrenocortical disorder→Q56
male→Q56(3 variants)
with
cleft scrotum→Q56
without gonadal disorder→Q56
Rudimentary (congenital)1 unique routes
uterus
in male→Q56

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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