2023 ICD-10-CM Diagnosis Code Q64.9

Congenital malformation of urinary system, unspecified

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code POA Exempt
  • Q64.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2023 edition of ICD-10-CM Q64.9 became effective on October 1, 2022.
  • This is the American ICD-10-CM version of Q64.9 - other international versions of ICD-10 Q64.9 may differ.
Applicable To
  • Congenital anomaly NOS of urinary system
  • Congenital deformity NOS of urinary system
The following code(s) above Q64.9 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 Q64.9:
  • Q00-Q99
    2023 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
Approximate Synonyms
  • Congenital anomaly of the urinary system
Clinical Information
  • An abnormality of the kidney, ureter, bladder, or urethra that is present at birth. Representative examples include renal hypoplasia, renal agenesis, accessory kidney, absence of ureter, atresia of bladder neck, and atresia of urethra.
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.
  • Q64.9 is considered exempt from POA reporting.
ICD-10-CM Q64.9 is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):
  • 698 Other kidney and urinary tract diagnoses with mcc
  • 699 Other kidney and urinary tract diagnoses with cc
  • 700 Other kidney and urinary tract diagnoses without cc/mcc

Convert Q64.9 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
  • 2021 (effective 10/1/2020): No change
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change

Diagnosis Index entries containing back-references to Q64.9:
  • Anomaly, anomalous (congenital) (unspecified type) Q89.9
    ICD-10-CM Diagnosis Code Q89.9

    Congenital malformation, unspecified

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code POA Exempt
    Applicable To
    • Congenital anomaly NOS
    • Congenital deformity NOS
    • urinary tract Q64.9
  • Deformity Q89.9
    ICD-10-CM Diagnosis Code Q89.9

    Congenital malformation, unspecified

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code POA Exempt
    Applicable To
    • Congenital anomaly NOS
    • Congenital deformity NOS
  • Malformation (congenital) - see also Anomaly
    • urinary system Q64.9

ICD-10-CM Codes Adjacent To Q64.9
Q64.6 Congenital diverticulum of bladder
Q64.7 Other and unspecified congenital malformations of bladder and urethra
Q64.70 Unspecified congenital malformation of bladder and urethra
Q64.71 Congenital prolapse of urethra
Q64.72 Congenital prolapse of urinary meatus
Q64.73 Congenital urethrorectal fistula
Q64.74 Double urethra
Q64.75 Double urinary meatus
Q64.79 Other congenital malformations of bladder and urethra
Q64.8 Other specified congenital malformations of urinary system
Q64.9 Congenital malformation of urinary system, unspecified
Q65 Congenital deformities of hip
Q65.0 Congenital dislocation of hip, unilateral
Q65.00 Congenital dislocation of unspecified hip, unilateral
Q65.01 Congenital dislocation of right hip, unilateral
Q65.02 Congenital dislocation of left hip, unilateral
Q65.1 Congenital dislocation of hip, bilateral
Q65.2 Congenital dislocation of hip, unspecified
Q65.3 Congenital partial dislocation of hip, unilateral
Q65.30 Congenital partial dislocation of unspecified hip, unilateral
Q65.31 Congenital partial dislocation of right hip, unilateral

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