Q27.9 – Congenital malformation of peripheral vascular system, unspecified

ICD-10-CM 2027 diagnosis code · Congenital malformations of the circulatory system

Billable code

ICD-10-CM code Q27.9
Code
Q27.9 (claims format: Q279)
Description
Congenital malformation of peripheral vascular system, unspecified
Short description
Congenital malformation of peripheral vascular system, unsp
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
Q20-Q28 Congenital malformations of the circulatory system
Parent codes
Q27

Notes for Q27.9

Applicable to:
  • Anomaly of artery or vein NOS

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

Q27 – Other congenital malformations of peripheral vascular system

Excludes2 (not included here):
  • anomalies of cerebral and precerebral vessels (Q28.0-Q28.3)
  • anomalies of coronary vessels (Q24.5)
  • anomalies of pulmonary artery (Q25.5-Q25.7)
  • congenital retinal aneurysm (Q14.1)
  • hemangioma and lymphangioma (D18.-)

Index terms for Q27.9

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in Q27

Frequently asked questions

What is ICD-10 code Q27.9?

Q27.9 is the ICD-10-CM code for congenital malformation of peripheral vascular system, unspecified, in the block Q20-Q28 (Congenital malformations of the circulatory system).

Is Q27.9 a billable code?

Yes. Q27.9 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does Q27.9 belong to?

It belongs to category Q27 – Other congenital malformations of peripheral vascular 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.