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ICD-10 Code N99.0: Postprocedural (acute) (chronic) kidney failure

N99.0 is a billable ICD-10 diagnosis code used to classify Postprocedural (acute) (chronic) kidney failure 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 postprocedural (acute) (chronic) kidney failure 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
N99Intraoperative and postprocedural complications and disorders of genitourinary system, not elsewhere classified (N99)
category
N99Intraoperative and postprocedural complications and disorders of genitourinary system, not elsewhere classified
currentN99

Official coding notes

Applicable to
  • code to type of kidney disease
Use additional code
  • code to type of kidney disease

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

Coding guidelines

Compatibility

Legacy and official ICD code match exactly.
Legacy codes
N99.0

Common synonyms

Postprocedural (acute) (chronic) kidney failurePostproceduralPostprocedural acute chronic kidney failure

Frequently asked questions

Code details

CodeN99.0
SystemICD10
Display namePostprocedural (acute) (chronic) kidney failure
ChapterDiseases of the genitourinary system (N00-N99)
BlockIntraoperative and postprocedural complications and disorders of genitourinary system, not elsewhere classified (N99)

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

Index terms

Matched terms
AnuriaBlock, blockedComplication(s) (from) (of)Failure, failedNecrosis, necrotic(ischemic)Nephrosis, nephrotic(Epstein's) (syndrome) (congenital)Oliguria

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 N99.0 for Postprocedural (acute) (chronic) kidney failure | HealthAssure