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Q64.4

Billable

Malformation of urachus

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

A birth defect involving abnormal development of the urachus, a fetal structure that normally closes before birth and connects the bladder to the umbilicus.

Coding Tips

  • •Urachus malformations can present as patent urachus, urachal cyst, or urachal sinus
  • •Document the specific type of urachus malformation if identified on imaging or surgery

Code Hierarchy

└Q64Other congenital malformations of urinary system└Q64.4Malformation of urachus
└Q64.4Malformation of urachus

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