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ICD-10 Code N28.0: Ischemia and infarction of kidney

N28.0 is a billable ICD-10 diagnosis code used to classify Ischemia and infarction of kidney 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 Diseases of the genitourinary system (N00-N99).

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 Diseases of the genitourinary system (N00-N99).

When is it used?

  • May be used when a clinician documents ischemia and infarction of kidney 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
14Diseases of the genitourinary system (N00-N99)
block
N25-N29Other disorders of kidney and ureter
category
N28Other disorders of kidney and ureter, not elsewhere classified
currentN28

Official coding notes

Inclusion terms
  • Renal artery embolism
  • Renal artery obstruction
  • Renal artery occlusion
  • Renal artery thrombosis
  • Renal infarct
Excludes1 (do not code together)
  • atherosclerosis of renal artery (extrarenal part) (I70.1)
  • congenital stenosis of renal artery (Q27.1)
  • Goldblatt's kidney (I70.1)

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

UrologistGynecologist

Coverage-related procedures and services

CPT 93975high
DUPLEX SCAN OF ARTERIAL INFLOW AND VENOUS OUTFLOW OF ABDOMINAL, PELVIC, SCROTAL CONTENTS AND/OR RETROPERITONEAL ORGANS; COMPLETE STUDY
Source: CMS coverage guidance
CPT 93976high
DUPLEX SCAN OF ARTERIAL INFLOW AND VENOUS OUTFLOW OF ABDOMINAL, PELVIC, SCROTAL CONTENTS AND/OR RETROPERITONEAL ORGANS; LIMITED STUDY
Source: CMS coverage guidance
CPT 93978high
DUPLEX SCAN OF AORTA, INFERIOR VENA CAVA, ILIAC VASCULATURE, OR BYPASS GRAFTS; COMPLETE STUDY
Source: CMS coverage guidance
CPT 93979high
DUPLEX SCAN OF AORTA, INFERIOR VENA CAVA, ILIAC VASCULATURE, OR BYPASS GRAFTS; UNILATERAL OR LIMITED STUDY
Source: CMS coverage guidance
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

Coding guidelines

Compatibility

Legacy and official ICD code match exactly.
Legacy codes
N28.0

Common synonyms

Ischemia and infarction of kidney

Frequently asked questions

Code details

CodeN28.0
SystemICD10
Display nameIschemia and infarction of kidney
ChapterDiseases of the genitourinary system (N00-N99)
BlockOther disorders of kidney and ureter

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

Index terms

Matched terms
CrisisEmbolism(multiple) (paradoxical)Embolism(multiple) (paradoxical)Embolism(multiple) (paradoxical)Infarct, infarctionInfarct, infarctionInfarct, infarctionIschemia, ischemicIschemia, ischemicNecrosis, necrotic(ischemic)Obstruction, obstructed, obstructiveOcclusion, occluded

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.

ICD-10 Code N28.0 for Ischemia and infarction of kidney | HealthAssure