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ICD10BillableValid for clinical use

ICD-10 Code Q27.1: Congenital renal artery stenosis

Q27.1 is a billable ICD-10 diagnosis code used to classify Congenital renal artery stenosis in medical records and claims. You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records. ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. 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 26 May 2026

What is this code?

ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. 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 congenital renal artery stenosis in a patient's medical record.
  • May appear in hospital records, claims, referrals, and clinical documentation.
  • This code can be used as a clinically usable diagnosis entry in standardized coding workflows.

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.

Code hierarchy

chapter
17Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA0)
block
Q20-Q28Congenital malformations of the circulatory system
category
Q27Other congenital malformations of peripheral vascular system
currentQ27

Where you may see this code

You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.

Related specialists

Urologist

Coverage-related procedures and services

CPT 36252high
SELECTIVE CATHETER PLACEMENT (FIRST-ORDER), MAIN RENAL ARTERY AND ANY ACCESSORY RENAL ARTERY(S) FOR RENAL ANGIOGRAPHY, INCLUDING ARTERIAL PUNCTURE AND CATHETER PLACEMENT(S), FLUOROSCOPY, CONTRAST INJECTION(S), IMAGE POSTPROCESSING, PERMANENT RECORDING OF IMAGES, AND RADIOLOGICAL SUPERVISION AND INTERPRETATION, INCLUDING PRESSURE GRADIENT MEASUREMENTS WHEN PERFORMED, AND FLUSH AORTOGRAM WHEN PERFORMED; BILATERAL
Source: CMS coverage guidance
CPT 36251high
SELECTIVE CATHETER PLACEMENT (FIRST-ORDER), MAIN RENAL ARTERY AND ANY ACCESSORY RENAL ARTERY(S) FOR RENAL ANGIOGRAPHY, INCLUDING ARTERIAL PUNCTURE AND CATHETER PLACEMENT(S), FLUOROSCOPY, CONTRAST INJECTION(S), IMAGE POSTPROCESSING, PERMANENT RECORDING OF IMAGES, AND RADIOLOGICAL SUPERVISION AND INTERPRETATION, INCLUDING PRESSURE GRADIENT MEASUREMENTS WHEN PERFORMED, AND FLUSH AORTOGRAM WHEN PERFORMED; UNILATERAL
Source: CMS coverage guidance
CPT 36254high
SUPERSELECTIVE CATHETER PLACEMENT (ONE OR MORE SECOND ORDER OR HIGHER RENAL ARTERY BRANCHES) RENAL ARTERY AND ANY ACCESSORY RENAL ARTERY(S) FOR RENAL ANGIOGRAPHY, INCLUDING ARTERIAL PUNCTURE, CATHETERIZATION, FLUOROSCOPY, CONTRAST INJECTION(S), IMAGE POSTPROCESSING, PERMANENT RECORDING OF IMAGES, AND RADIOLOGICAL SUPERVISION AND INTERPRETATION, INCLUDING PRESSURE GRADIENT MEASUREMENTS WHEN PERFORMED, AND FLUSH AORTOGRAM WHEN PERFORMED; BILATERAL
Source: CMS coverage guidance
CPT 36253high
SUPERSELECTIVE CATHETER PLACEMENT (ONE OR MORE SECOND ORDER OR HIGHER RENAL ARTERY BRANCHES) RENAL ARTERY AND ANY ACCESSORY RENAL ARTERY(S) FOR RENAL ANGIOGRAPHY, INCLUDING ARTERIAL PUNCTURE, CATHETERIZATION, FLUOROSCOPY, CONTRAST INJECTION(S), IMAGE POSTPROCESSING, PERMANENT RECORDING OF IMAGES, AND RADIOLOGICAL SUPERVISION AND INTERPRETATION, INCLUDING PRESSURE GRADIENT MEASUREMENTS WHEN PERFORMED, AND FLUSH AORTOGRAM WHEN PERFORMED; UNILATERAL
Source: CMS coverage guidance
CPT 96105high
ASSESSMENT OF APHASIA (INCLUDES ASSESSMENT OF EXPRESSIVE AND RECEPTIVE SPEECH AND LANGUAGE FUNCTION, LANGUAGE COMPREHENSION, SPEECH PRODUCTION ABILITY, READING, SPELLING, WRITING, EG, BY BOSTON DIAGNOSTIC APHASIA EXAMINATION) WITH INTERPRETATION AND REPORT, PER HOUR
Source: CMS coverage guidance
CPT 92524high
BEHAVIORAL AND QUALITATIVE ANALYSIS OF VOICE AND RESONANCE
Source: CMS coverage guidance

Coding guidelines

Compatibility

Legacy and official ICD code match exactly.
Legacy codes
Q27.1

Common synonyms

Congenital renal artery stenosis

Frequently asked questions

Code details

CodeQ27.1
SystemICD10
Display nameCongenital renal artery stenosis
ChapterCongenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA0)
BlockCongenital malformations of the circulatory system

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

Index terms

Matched terms
Stenosis, stenotic(cicatricial)Stricture

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.