Q64.4 – Malformation of urachus
ICD-10-CM 2027 diagnosis code · Congenital malformations of the urinary system
ICD-10-CM code
Q64.4
- Code
Q64.4(claims format:Q644)- Description
- Malformation of urachus
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 17. Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA1)
- Block
- Q60-Q64 Congenital malformations of the urinary system
- Parent codes
- Q64
Notes for Q64.4
Applicable to:
- Cyst of urachus
- Patent urachus
- Prolapse of urachus
Index terms for Q64.4
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Sinus, urachus
- Cyst, allantoic
- Patent, urachus
- Remnant, urachus
- Cyst, urachus, congenital
- Anomaly, anomalous, urachus
- Fistula, urachus, congenital
- Urachus, patent or persistent
- Deformity, urachus, congenital
- Persistence, persistent, urachus
- Deformity, urinary tract, urachus
- Persistence, persistent, umbilical sinus
- Prolapse, prolapsed, urachus, congenital
Related codes in Q64
- Q64.0 – EpispadiasBillable
- Q64.1 – Exstrophy of urinary bladderHeader
- Q64.2 – Congenital posterior urethral valvesBillable
- Q64.3 – Other atresia and stenosis of urethra and bladder neckHeader
- Q64.5 – Congenital absence of bladder and urethraBillable
- Q64.6 – Congenital diverticulum of bladderBillable
- Q64.7 – Other and unspecified congenital malformations of bladder and urethraHeader
- Q64.8 – Other specified congenital malformations of urinary systemBillable
- Q64.9 – Congenital malformation of urinary system, unspecifiedBillable
Frequently asked questions
What is ICD-10 code Q64.4?
Q64.4 is the ICD-10-CM code for malformation of urachus, in the block Q60-Q64 (Congenital malformations of the urinary system).
Is Q64.4 a billable code?
Yes. Q64.4 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does Q64.4 belong to?
It belongs to category Q64 – Other congenital malformations of urinary system.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.