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ICD-10-CM 2027

ICD-10 code for single

Choose a code from the options below based on the documentation.

From the official ICD-10-CM alphabetic index entry “Single”. Page updated September 29, 2026.

About coding single

The official ICD-10-CM index doesn't give a single default code for single; the code depends on the details below.

More specific single codes (official index)

  • atrium Q21.20 — Atrioventricular septal defect, unspecified as to partial or complete
  • coronary artery Q24.5 — Malformation of coronary vessels
  • umbilical artery Q27.0 — Congenital absence and hypoplasia of umbilical artery
  • ventricle Q20.4 — Double inlet ventricle

Common questions about single ICD-10 codes

What is the ICD-10 code for atrium single?

Q21.20 — Atrioventricular septal defect, unspecified as to partial or complete.

What is the ICD-10 code for coronary artery single?

Q24.5 — Malformation of coronary vessels.

What is the ICD-10 code for umbilical artery single?

Q27.0 — Congenital absence and hypoplasia of umbilical artery.

What is the ICD-10 code for ventricle single?

Q20.4 — Double inlet ventricle.