What does ICD-10 code Q64 mean?

ICD-10 code Q64 is the standardized code used for other congenital malformations of urinary system in medical records and coding systems.

When is ICD-10 code Q64 used?

Doctors, hospitals, and insurers may use ICD-10 code Q64 when recording other congenital malformations of urinary system in a standardized format. This entry may also act as a broader category that points toward more specific child codes.

Does ICD-10 code Q64 confirm a diagnosis?

No. A code helps standardize documentation and claims, but it should not be read as a substitute for a clinician's full assessment.

ICD10

ICD-10 Code Q64: Other congenital malformations of urinary system

Name: ICD-10 Code Q64: Other congenital malformations of urinary system
Creator: HealthAssure Clinical Team
Published: 2026-05-21T06:29:50.340Z

Q64 is an ICD-10 diagnosis entry used to group records related to Other congenital malformations of urinary system. You may see this entry in coding references, medical records, or claims workflows when a broader diagnosis category is being reviewed before a more specific code is chosen. ICD-10 entries help standardize how diagnoses are organized for coding, reporting, analytics, and documentation. This code sits within the broader ICD-10 area for Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA0).

Reviewed by HealthAssure Clinical TeamUpdated 21 May 2026

What is this code?

ICD-10 entries help standardize how diagnoses are organized for coding, reporting, analytics, and documentation. This code sits within the broader ICD-10 area for Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA0).

When is it used?

May be used when a clinician documents other congenital malformations of urinary system in a patient's medical record.
May appear in hospital records, claims, referrals, and clinical documentation.
This code may act more like a grouping or parent code, so a more specific child code may be used in final documentation when available.

What it does not mean

A code alone does not explain severity, treatment plan, or outcome.
A medical code should not be treated as a substitute for a doctor's diagnosis or advice.
This entry may represent a broader category rather than the most specific billable code.

Code hierarchy

chapter

17Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA0)

block

Q60-Q64Congenital malformations of the urinary system

currentQ60-Q64

Where you may see this code

You may see this entry in coding references, medical records, or claims workflows when a broader diagnosis category is being reviewed before a more specific code is chosen.

Related specialists

Urologist

Sibling codes

Q60Renal agenesis and other reduction defects of kidney Q61Cystic kidney disease Q62Congenital obstructive defects of renal pelvis and congenital malformations of ureter Q63Other congenital malformations of kidney

Coding guidelines

Compatibility

Legacy code aligns to an official FY 2026 category. Frontend should resolve to the official category page and surface the billable child codes.

Legacy codes

Q64

Replacement codes

Q64.0 — EpispadiasQ64.2 — Congenital posterior urethral valvesQ64.4 — Malformation of urachusQ64.5 — Congenital absence of bladder and urethraQ64.6 — Congenital diverticulum of bladderQ64.8 — Other specified congenital malformations of urinary systemQ64.9 — Congenital malformation of urinary system, unspecified

Common synonyms

Other congenital malformations of urinary system

Frequently asked questions

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.