2020 ICD-10-CM Diagnosis Code Q99.1

46, XX true hermaphrodite

    2016 2017 2018 2019 2020 Billable/Specific Code POA Exempt
  • Q99.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2020 edition of ICD-10-CM Q99.1 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of Q99.1 - other international versions of ICD-10 Q99.1 may differ.
Applicable To
  • 46, XX with streak gonads
  • 46, XY with streak gonads
  • Pure gonadal dysgenesis
The following code(s) above Q99.1 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to Q99.1:
  • Q00-Q99
    2020 ICD-10-CM Range Q00-Q99

    Congenital malformations, deformations and chromosomal abnormalities

    Note
    • Codes from this chapter are not for use on maternal records
    Type 2 Excludes
    • inborn errors of metabolism (E70-E88)
    Congenital malformations, deformations and chromosomal abnormalities
  • Q90-Q99
    2020 ICD-10-CM Range Q90-Q99

    Chromosomal abnormalities, not elsewhere classified

    Type 2 Excludes
    • mitochondrial metabolic disorders (E88.4-)
    Chromosomal abnormalities, not elsewhere classified
Present On Admission
POA Help
"Present On Admission" is defined as present at the time the order for inpatient admission occurs — conditions that develop during an outpatient encounter, including emergency department, observation, or outpatient surgery, are considered POA.
  • Q99.1 is considered exempt from POA reporting.
ICD-10-CM Q99.1 is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):
  • 729 Other male reproductive system diagnoses with cc/mcc
  • 730 Other male reproductive system diagnoses without cc/mcc
  • 742 Uterine and adnexa procedures for non-malignancy with cc/mcc
  • 743 Uterine and adnexa procedures for non-malignancy without cc/mcc
  • 760 Menstrual and other female reproductive system disorders with cc/mcc
  • 761 Menstrual and other female reproductive system disorders without cc/mcc

Convert Q99.1 to ICD-9-CM

Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
Code annotations containing back-references to Q99.1:
  • Type 1 Excludes: E28.3
    , Q56
    , Q56
    , R62
    ICD-10-CM Diagnosis Code E28.3

    Primary ovarian failure

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • pure gonadal dysgenesis (Q99.1)
    • Turner's syndrome (Q96.-)
    ICD-10-CM Diagnosis Code Q56

    Indeterminate sex and pseudohermaphroditism

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • 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)
    ICD-10-CM Diagnosis Code Q56

    Indeterminate sex and pseudohermaphroditism

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • 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)
    ICD-10-CM Diagnosis Code R62

    Lack of expected normal physiological development in childhood and adults

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Type 1 Excludes

Diagnosis Index entries containing back-references to Q99.1:
  • Anomaly, anomalous (congenital) (unspecified type) Q89.9
    ICD-10-CM Diagnosis Code Q89.9

    Congenital malformation, unspecified

      2016 2017 2018 2019 2020 Billable/Specific Code POA Exempt
    Applicable To
    • Congenital anomaly NOS
    • Congenital deformity NOS
    • chromosomes, chromosomal Q99.9
      ICD-10-CM Diagnosis Code Q99.9

      Chromosomal abnormality, unspecified

        2016 2017 2018 2019 2020 Billable/Specific Code POA Exempt
      • sex
        • gonadal dysgenesis Q99.1 (pure)
  • Dysgenesis
    • gonadal (due to chromosomal anomaly) Q96.9
      ICD-10-CM Diagnosis Code Q96.9

      Turner's syndrome, unspecified

        2016 2017 2018 2019 2020 Billable/Specific Code POA Exempt
      • pure Q99.1
  • Hermaphrodite, hermaphroditism (true) Q56.0
    ICD-10-CM Diagnosis Code Q56.0

    Hermaphroditism, not elsewhere classified

      2016 2017 2018 2019 2020 Billable/Specific Code POA Exempt
    Applicable To
    • Ovotestis
    • 46,XX with streak gonads Q99.1
    • 46,XY with streak gonads Q99.1
  • Karyotype
    • 46,XX Q98.3
      ICD-10-CM Diagnosis Code Q98.3

      Other male with 46, XX karyotype

        2016 2017 2018 2019 2020 Billable/Specific Code Male Dx POA Exempt
      • hermaphrodite Q99.1 (true)
    • 46,XY
      • hermaphrodite Q99.1 (true)
  • Swyer syndrome Q99.1
  • Syndrome - see also Disease
    • Swyer Q99.1

ICD-10-CM Codes Adjacent To Q99.1
Q98.1 Klinefelter syndrome, male with more than two X chromosomes
Q98.3 Other male with 46, XX karyotype
Q98.4 Klinefelter syndrome, unspecified
Q98.5 Karyotype 47, XYY
Q98.6 Male with structurally abnormal sex chromosome
Q98.7 Male with sex chromosome mosaicism
Q98.8 Other specified sex chromosome abnormalities, male phenotype
Q98.9 Sex chromosome abnormality, male phenotype, unspecified
Q99 Other chromosome abnormalities, not elsewhere classified
Q99.0 Chimera 46, XX/46, XY
Q99.1 46, XX true hermaphrodite
Q99.2 Fragile X chromosome
Q99.8 Other specified chromosome abnormalities
Q99.9 Chromosomal abnormality, unspecified
R00 Abnormalities of heart beat
R00.0 Tachycardia, unspecified
R00.1 Bradycardia, unspecified
R00.2 Palpitations
R00.8 Other abnormalities of heart beat
R00.9 Unspecified abnormalities of heart beat
R01 Cardiac murmurs and other cardiac sounds

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.