2026 ICD-10-CM Diagnosis Code Q27.2Other congenital malformations of renal artery

ICD-10-CM Codes›Q00-Q99›Q20-Q28›Q27

ICD-10-CM Q27.2
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

Q27.2 is a billable ICD-10-CM diagnosis code for other congenital malformations of renal artery. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 299 through 301. The code is exempt from POA reporting. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Cardiac and circulatory congenital anomalies.

Code Identity

ICD-10-CM Code
Q27.2
Billable Status
Yes — Valid for Submission
Code Describes
Other congenital malformations of renal artery
Short Description
Other congenital malformations of renal artery
Same as the full description in the CMS dataset.
Parent Code
Q27
Other congenital malformations of peripheral vascular system

Code Classification

ChapterQ00-Q99Congenital malformations, deformations and chromosomal abnormalities
SectionQ20-Q28Congenital malformations of the circulatory system
CategoryQ27Other congenital malformations of peripheral vascular system
This CodeQ27.2Other congenital malformations of renal artery

Present on Admission (POA)Billing

Q27.2 is exempt from POA reporting on inpatient claims to general acute care hospitals. Review other POA exempt codes.

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Aneurysm of renal artery
  • Bilateral congenital anomaly of renal arteries
  • Congenital anomaly of left renal artery
  • Congenital anomaly of right renal artery
  • Congenital peripheral aneurysm
  • Congenital renal artery aneurysm
  • Multiple renal arteries
  • Vascular ring with right aortic arch and left arterial duct from anomalous retroesophageal left subclavian artery
  • Vascular ring with right aortic arch and left arterial duct from retroesophageal diverticulum of aorta
  • Vascular ring with right aortic arch and left arterial duct from retroesophageal diverticulum of aorta and anomalous left subclavian artery
  • Vascular ring with right aortic arch and left arterial ligament
  • Vascular ring with right aortic arch and left arterial ligament between left subclavian artery and left common carotid artery

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Inclusion Terms

  • Congenital malformation of renal artery NOS
  • Multiple renal arteries

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

External Cause of Injuries IndexGuidance

References for this code in the External Cause of Injuries Index.

    • Aberrant(congenital)
      • artery (peripheral)
        • renal
    • Accessory(congenital)
      • renal arteries (multiple)
    • Anomaly, anomalous(congenital) (unspecified type)
      • artery (peripheral)
        • renal
    • Anomaly, anomalous(congenital) (unspecified type)
      • connection
        • renal artery with kidney
    • Anomaly, anomalous(congenital) (unspecified type)
      • kidney (s) (calyx) (pelvis)
        • artery
    • Anomaly, anomalous(congenital) (unspecified type)
      • origin
        • artery
          • renal
    • Anomaly, anomalous(congenital) (unspecified type)
      • renal
        • artery
    • Deformity
      • kidney (s) (calyx) (pelvis) (congenital)
        • artery (congenital)
    • Malformation(congenital)
      • renal artery

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR MAL001
Cardiac and circulatory congenital anomalies
Default principal diagnosis: inpatient Yes · outpatient Yes

Patient EducationClinical

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.

The full article covers:

  • What are birth defects?
  • What causes birth defects?
  • Who is at risk of having a baby with birth defects?
  • How are birth defects diagnosed?
  • What are the treatments for birth defects?
  • Can birth defects be prevented?

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Convert Q27.2 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
747.62 Renal vessel anomaly
Approximate The match is approximate rather than exact.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About Q27.2Overview

Is Q27.2 (Other congenital malformations of peripheral vascular system) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report other congenital malformations of renal artery on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What MS-DRG does Q27.2 group to?

When other congenital malformations of renal artery is the principal diagnosis on an inpatient stay, it groups to MS-DRG 299, 300, 301, with relative weights from 0.7197 to 1.6327 depending on complications. Higher weights mean higher Medicare reimbursement.

Is Q27.2 exempt from POA reporting?

Yes. CMS lists this code among those exempt from present on admission reporting, so hospitals do not assign a POA indicator for other congenital malformations of renal artery on inpatient claims.

What is the ICD-9 equivalent of Q27.2?

Under the General Equivalence Mappings, other congenital malformations of renal artery converts to ICD-9-CM 747.62 (renal vessel anomaly). The mapping is approximate, so confirm the match fits the documentation.

Footnotes

[1] Chronic - a chronic condition code indicates a condition lasting 12 months or longer and its effect on the patient based on one or both of the following criteria:

  • The condition results in the need for ongoing intervention with medical products,treatment, services, and special equipment
  • The condition places limitations on self-care, independent living, and social interactions.