Other congenital malformations of peripheral vascular system
In Congenital malformations of the circulatory system (Q20-Q28), chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities
12 billable codes under Q27: 2 are a CC; none map to an HCC.A CC or MCC (major CC) is a secondary diagnosis that raises the MS-DRG payment.
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Instructional notes
Excludes2: not included here, code separately if applicable
- 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.-)
Official coding guidelines
From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.
Assign Q00-QA1 codes for documented congenital anomalies or genetic disorders at any age, coding non-inherent manifestations separately and sequencing Z38 first on the birth admission.
All codes under Q27
Q27 can't be used on a claim. Pick a billable code below; grey headings group them.
- Q27.0Congenital absence and hypoplasia of umbilical artery
- Q27.1Congenital renal artery stenosis
- Q27.2Other congenital malformations of renal artery
- Q27.3Arteriovenous malformation (peripheral)
- Q27.30Arteriovenous malformation, site unspecified
- Q27.31Arteriovenous malformation of vessel of upper limb
- Q27.32Arteriovenous malformation of vessel of lower limb
- Q27.33Arteriovenous malformation of digestive system vessel
- Q27.34Arteriovenous malformation of renal vessel
- Q27.39Arteriovenous malformation, other site
- Q27.4Congenital phlebectasia
- Q27.8Other specified congenital malformations of peripheral vascular system
- Q27.9Congenital malformation of peripheral vascular system, unspecified
Q27 MS-DRGs
As the principal diagnosis, all 12 billable codes under Q27 group to MS-DRG 299, 300, or 301 (v44.0). Which one applies depends on procedures performed, secondary diagnoses (CC/MCC), and the patient's age and discharge status.
About the condition
Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.
Birth Defects
A birth defect is a problem that happens while a baby is developing in the mother's body. Most birth defects happen during the first 3 months of pregnancy. One out of every 33 babies in the United States is born with a birth defect.
Read more about birth defects on MedlinePlusCode history
Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.