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N17.9
ICD-10-CM
Acute Renal Insufficiency

Understand acute renal insufficiency, also known as acute kidney insufficiency. Learn about the diagnosis, clinical documentation requirements, and medical coding for renal insufficiency. Find information on healthcare best practices related to acute renal insufficiency for accurate and efficient medical record keeping. This resource covers key aspects of acute renal insufficiency for medical professionals.

Also known as

Acute Kidney Insufficiency
Renal Insufficiency

Diagnosis Snapshot

Key Facts
  • Definition : Sudden decrease in kidney function, leading to buildup of waste products in the blood.
  • Clinical Signs : Decreased urine output, swelling, fatigue, nausea, shortness of breath.
  • Common Settings : Hospital, ICU, following major surgery or severe illness.

Related ICD-10 Code Ranges

Complete code families applicable to AAPC N17.9 Coding
N17-N19

Acute kidney failure and chronic kidney disease

Covers various stages of kidney dysfunction, including acute and chronic forms.

R39.2

Other and unspecified renal failure

Includes unspecified renal failure and other renal conditions not classified elsewhere.

I95.9

Hypotension, unspecified

Low blood pressure, a potential cause or complication of renal insufficiency.

Code-Specific Guidance

Decision Tree for

Follow this step-by-step guide to choose the correct ICD-10 code.

Is the acute renal insufficiency due to a drug/medication?

  • Yes

    Is it due to NSAIDS?

  • No

    Is it due to obstetric complications?

Code Comparison

Related Codes Comparison

When to use each related code

Description
Sudden kidney function loss.
Gradual kidney function loss.
End-stage kidney disease.

Documentation Best Practices

Documentation Checklist
  • Document AKI staging (KDIGO guidelines)
  • Serum creatinine baseline & trend
  • Urine output monitoring & records
  • Potential causes of AKI noted
  • Relevant comorbidities documented

Coding and Audit Risks

Common Risks
  • Unspecified ARI

    Coding acute renal insufficiency without specifying stage (acute kidney injury stage 1, 2, or 3) leads to inaccurate severity reflection and reimbursement.

  • AKI vs. CKD Confusion

    Misdiagnosis of acute kidney injury (AKI) as chronic kidney disease (CKD) or vice-versa can impact quality metrics and treatment plans.

  • Comorbidity Documentation

    Insufficient documentation of comorbidities like hypertension or diabetes contributing to acute renal insufficiency affects risk adjustment and coding accuracy.

Mitigation Tips

Best Practices
  • Hydration, monitor nephrotoxic drugs: ICD-10 N79.0, CDI best practice
  • Control comorbidities (diabetes, HTN): accurate coding for risk adjustment
  • Timely diagnosis, optimize medications: improve outcomes, compliant documentation
  • Consult nephrology early: accurate staging, prevent chronic kidney disease
  • Monitor urine output, electrolytes: detect AKI early, ensure appropriate care

Clinical Decision Support

Checklist
  • Verify sudden decline in kidney function (GFR). ICD-10: N79.0, N79.1
  • Document urine output, creatinine/BUN trends for AKI staging. SNOMED: 14669001
  • Assess for prerenal, intrinsic, or postrenal causes. Improve patient safety
  • Review medications for nephrotoxicity. Optimize medication reconciliation

Reimbursement and Quality Metrics

Impact Summary
  • Acute Renal Insufficiency (ARI) coding impacts MS-DRG assignment and reimbursement.
  • ARI coding accuracy affects hospital quality reporting metrics for AKI.
  • Proper ARI documentation crucial for appropriate reimbursement and reduces denials.
  • Accurate Acute Kidney Insufficiency coding improves hospital value-based purchasing.

Streamline Your Medical Coding

Let S10.AI help you select the most accurate ICD-10 codes for . Our AI-powered assistant ensures compliance and reduces coding errors.

Frequently Asked Questions

Common Questions and Answers

Q: How can I differentiate between pre-renal, intrinsic, and post-renal acute renal insufficiency in my clinical practice?

A: Differentiating between pre-renal, intrinsic, and post-renal acute renal insufficiency (AKI) requires a systematic approach incorporating history, physical examination, and laboratory data. Pre-renal AKI, often caused by hypovolemia or hypotension, typically presents with a low fractional excretion of sodium (FeNa) and responds to fluid resuscitation. Intrinsic AKI, encompassing damage to the kidney parenchyma itself (e.g., acute tubular necrosis, glomerulonephritis), often presents with a higher FeNa and may require renal replacement therapy. Post-renal AKI, resulting from obstruction in the urinary tract, necessitates prompt identification and relief of the obstruction, such as with a Foley catheter or nephrostomy tube. Further investigation with imaging studies like ultrasound or CT scan can be crucial in determining the underlying cause and guiding appropriate management. Explore how specific diagnostic markers can further pinpoint the etiology of AKI to tailor individualized treatment plans.

Q: What are the best evidence-based practices for managing fluid overload in a patient with acute kidney insufficiency and heart failure?

A: Managing fluid overload in a patient with acute kidney insufficiency (AKI) and heart failure presents a complex clinical challenge. Careful fluid balance monitoring is paramount. Loop diuretics are often the first-line therapy, but their effectiveness can be diminished in AKI. Consider implementing ultrafiltration or dialysis if diuretics prove inadequate. Optimizing cardiac function with medications such as inotropes or vasodilators may improve renal perfusion and enhance diuresis. Restricting sodium intake and closely monitoring potassium levels are crucial due to the risk of electrolyte imbalances. Collaborating with a nephrologist is highly recommended for individualized management strategies given the intricate interplay between AKI and heart failure. Learn more about the role of renal replacement therapy in managing refractory fluid overload in this patient population.

Quick Tips

Practical Coding Tips
  • Code N17.9 for unspecified ARI
  • Document AKI etiology
  • Specificity improves coding accuracy
  • Query physician for clarity
  • Consider stage of AKI

Documentation Templates

Patient presents with signs and symptoms suggestive of acute renal insufficiency (AKI), also known as acute kidney injury.  Onset of symptoms was reported as [Timeframe, e.g., two days ago] and include [List specific symptoms, e.g., decreased urine output, oliguria, swelling in the legs and feet, fatigue, shortness of breath, nausea, confusion].  Relevant past medical history includes [List relevant medical history, e.g., hypertension, diabetes, heart failure, chronic kidney disease]. Current medications include [List current medications]. Physical examination revealed [Document relevant physical findings, e.g., edema, elevated blood pressure, signs of fluid overload].  Laboratory results indicate elevated serum creatinine and blood urea nitrogen (BUN), indicative of impaired renal function.  Differential diagnosis includes prerenal azotemia, intrinsic renal failure, and postrenal obstruction.  Initial treatment plan includes [Outline initial treatment plan, e.g., intravenous fluids for hydration, monitoring of electrolyte levels, medication adjustments]. Further investigation into the cause of AKI is warranted, including [Specify further diagnostic tests, e.g., renal ultrasound, urine analysis, fractional excretion of sodium].  The patient's clinical presentation, laboratory findings, and risk factors are consistent with the diagnostic criteria for acute renal failure. Patient education provided regarding fluid management, medication adherence, and potential complications of AKI. Follow-up scheduled for [Date/Time] to reassess renal function and adjust treatment as needed.  ICD-10 code N17.9 (Acute kidney failure, unspecified) is considered pending further diagnostic evaluation.